二、根据句意，用括号中所给单词的正确形式填空
1. The design of the plane is inspired by birds, so the plane has a pair of(wing).
2. These hares (野兔) are very good at digging(hole).
3. He is strong enough to(举起) the suitcase from the car.
4. These caterpillars (毛虫) will change into(butterfly) in months.
5. Mr Li knows a lot of(fact) about animals.
1. The design of the plane is inspired by birds, so the plane has a pair of(wing).
2. These hares (野兔) are very good at digging(hole).
3. He is strong enough to(举起) the suitcase from the car.
4. These caterpillars (毛虫) will change into(butterfly) in months.
5. Mr Li knows a lot of(fact) about animals.
答案：1. wings
2. holes
3. lift
4. butterflies
5. facts
2. holes
3. lift
4. butterflies
5. facts
解析：
1. 第1空："a pair of"（一对）后接可数名词复数，"wing"的复数形式为"wings"；
2. 第2空："hole"是可数名词，结合语境野兔挖的洞不止一个，应用复数形式"holes"；
3. 第3空：“举起”对应的英文单词是"lift"，"be + 形容词 + enough to do sth"是固定结构，to后接动词原形；
4. 第4空："butterfly"是可数名词，"these caterpillars"表示复数概念，对应的蝴蝶也应用复数形式"butterflies"；
5. 第5空："a lot of"后接可数名词复数，"fact"的复数形式为"facts"。
2. 第2空："hole"是可数名词，结合语境野兔挖的洞不止一个，应用复数形式"holes"；
3. 第3空：“举起”对应的英文单词是"lift"，"be + 形容词 + enough to do sth"是固定结构，to后接动词原形；
4. 第4空："butterfly"是可数名词，"these caterpillars"表示复数概念，对应的蝴蝶也应用复数形式"butterflies"；
5. 第5空："a lot of"后接可数名词复数，"fact"的复数形式为"facts"。