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要点探究
while
【感知】
» After dinner, he usually plays the guitar for a while.(教材第63页)晚饭后,他通常弹一会儿吉他。
» We can't get on or off a bus while it is moving. 当公共汽车正在行驶的时候我们不能上下车。
【探究】
(1) while 作名词时,意为“一段时间;一会儿”。常见固定搭配:
for a while
一会儿

after a while 过了一会儿
(2) while 作连词时,意为“在……期间;当……的时候”,表示两个动作相伴随而发生。
【应用】
①完成句子:让我休息一会儿。
Let me rest
for
a
while
.
②单项选择:(河北中考) I love to listen to rock music
A
I am running.
A. while B. after C. since D. until
答案:(1) 一会儿
① for a while
② A
【应用】
(1)请用顺读法写出下列时间
①$3:00$
three o'clock

②$5:10$
five ten

③$6:30$
six thirty

④$4:50$
four fifty

(2)请用逆读法写出下列时间
①$6:10$
ten past six

②$9:30$
half past nine

③$10:50$
ten to eleven

④$8:15$
a quarter past eight

⑤$4:45$
a quarter to five

答案:(1) ① three o'clock
② five ten
③ six thirty
④ four fifty
(2) ① ten past six
② half past nine
③ ten to eleven
④ a quarter past eight
⑤ a quarter to five
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