A Jenny is talking to her father about what he did for fun as a child. Complete the conversation with the correct forms of the words in brackets. Add *not* if necessary.
Jenny: Dad, I was just thinking about how different things are now with all our modern technology. What did you do for fun as a child?
Dad: I did very different things from you. It seems like children’s activities (1)
Jenny: Hmm … my friends and I (2)
Dad: I guess technology (4)
Jenny: Well … I (7)
Jenny: Dad, I was just thinking about how different things are now with all our modern technology. What did you do for fun as a child?
Dad: I did very different things from you. It seems like children’s activities (1)
have changed
(change) quite a bit since I was young. When I was a child, I often ran around outside with my friends until after dark! We loved to catch insects too.Jenny: Hmm … my friends and I (2)
have
never caught
(catch) insects! We sometimes go to an escape room together, but not very often. In fact, we (3) haven't done
(do) that for months! Instead, we usually take selfies and share them with each other.Dad: I guess technology (4)
has made
(make) a big difference to the way kids play in recent years. Ever since digital devices became popular, kids (5) have enjoyed
(enjoy) spending time indoors. (6) Have
you ever wondered
(wonder) if that’s really a good thing?Jenny: Well … I (7)
have
never thought
(think) about it before. You’re right—I (8) have spent
(spend) much time looking at screens recently. It’s time for me—and my friends—to get outside and enjoy nature around us!答案：1. have changed 2. have; caught 3. haven't done 4. has made 5. have enjoyed 6. Haven't; wondered 7. have; thought 8. have spent
解析：
1. "since I was young"为现在完成时标志，主语"activities"复数，填have changed。
2. "never"表否定，现在完成时否定结构"haven't+过去分词"，填haven't; caught。
3. "for months"为现在完成时标志，结合语境表否定，填haven't done。
4. "in recent years"为现在完成时标志，主语"technology"不可数，填has made。
5. "Ever since"引导从句，主句用现在完成时，主语"kids"复数，填have enjoyed。
6. "ever"为现在完成时标志，一般疑问句用"Have+主语+过去分词"，填Have; wondered。
7. "before"为现在完成时标志，否定用"haven't+过去分词"，填haven't; thought。
8. "recently"为现在完成时标志，主语"I"，填have spent。
2. "never"表否定，现在完成时否定结构"haven't+过去分词"，填haven't; caught。
3. "for months"为现在完成时标志，结合语境表否定，填haven't done。
4. "in recent years"为现在完成时标志，主语"technology"不可数，填has made。
5. "Ever since"引导从句，主句用现在完成时，主语"kids"复数，填have enjoyed。
6. "ever"为现在完成时标志，一般疑问句用"Have+主语+过去分词"，填Have; wondered。
7. "before"为现在完成时标志，否定用"haven't+过去分词"，填haven't; thought。
8. "recently"为现在完成时标志，主语"I"，填have spent。
B Read the news story about the peach farmers and complete it with the correct forms of the words in the box.
be use grow send help sell change improve
For over 40 years, Mr and Mrs Zhang (1)
When the Zhangs first started farming, they brought their peaches to village markets in simple carts and sold them to local customers. In recent years, their son (4)
The Zhangs are not the only farmers benefiting from technology. For years, farmers across China (7)
be use grow send help sell change improve
For over 40 years, Mr and Mrs Zhang (1)
have been
peach farmers in a small village in Shanxi Province. During their years as farmers, they (2) have sold
millions of peaches already. Although their farming methods have not changed much, their sales practices (3) have changed
a lot in the last few years.When the Zhangs first started farming, they brought their peaches to village markets in simple carts and sold them to local customers. In recent years, their son (4)
has helped
them sell peaches. He creates short videos about growing peaches to show how the Zhangs care for their trees and to help viewers understand the process. These videos get people excited about the Zhangs’ peaches! Over the past few years, the Zhangs (5) have sold
most of their peaches online instead of at local markets. They (6) send
peaches to people across the province and beyond using modern delivery services.The Zhangs are not the only farmers benefiting from technology. For years, farmers across China (7)
have used
technology to improve their sales methods. Simply put, technology (8) improves
farmers’ lives in powerful ways. It helps farmers promote their products and makes them reach more customers.答案：have been; have sold; have changed; has helped; have sold; send; have used; improves
解析：
1. "For over 40 years" 提示用现在完成时，主语复数，填have been。
2. "already" 提示现在完成时，填have sold。
3. "in the last few years" 提示现在完成时，填have changed。
4. "In recent years" 提示现在完成时，主语"their son"为三单，填has helped。
5. "Over the past few years" 提示现在完成时，填have sold。
6. 描述现在的常规做法，用一般现在时，填send。
7. "For years" 提示现在完成时，填have used。
8. 描述客观事实，用一般现在时，主语三单，填improves。
2. "already" 提示现在完成时，填have sold。
3. "in the last few years" 提示现在完成时，填have changed。
4. "In recent years" 提示现在完成时，主语"their son"为三单，填has helped。
5. "Over the past few years" 提示现在完成时，填have sold。
6. 描述现在的常规做法，用一般现在时，填send。
7. "For years" 提示现在完成时，填have used。
8. 描述客观事实，用一般现在时，主语三单，填improves。