初二英语单项选择1. -----________at 8 o’clock yesterday? ----I was do

初二英语单项选择
1. -----________at 8 o’clock yesterday?
----I was doing my homework.
A. What do you do B. What were you doing
C. What did you do D. What are yo udoing
2. While I __________T-shirts on the Internet, I found most online clothes were cheaper than those in the mall.
A. bought B. buy C. was buying D. am buying
3. When she ________ the newspaper, Granny _______asleep.
A. read, fell B. was reading, was falling
C. read, was falling D. was reading, fell
4. Linda was just going out shopping _______ the telephone rang.
A. while B. when C. after D. because
5. He was sleeping ________ someone knocked on the door.
A. when B. while C. as D. after
6. _________ the police arrived, the alien left the ground.
A. When B. Before C. After D. While
7. ----What were you doing at this time yesterday? --- I _________.
A. sleep B. slept C. was sleeping D. sleeping
8. ______ the girl is only nine, she takes care of her brother and cooks meals every day.
A. If B. Because C. Although D. As
9．----Were you at home at 7 o’clock last night?
---Yes, I _____ a shower at that tiem.
A. took B. was taking C. was taken D. am taking
10. Mary was born _______ a cold morning in 1998.
A. in B. on C. at D. to
11. My brother was playing with toys ______my mother was doing some cleaning.
A. while B. when C. because D. until
12. Please look after my pet dog _______I’m away.
A. while B. so C. and D. because
13. This glass is broken. Give me _________.
A. other B. the other C. others D. another one

1-5. BCDBA
6-10. BCCBB
11-13. AAD

希望对您有所帮助.
如果有疑问可以提出,会尽可能帮您解答.
再问： 为什么第六道题我觉得选A呢。。可以讲一下嘛？
再答： 我觉得这句话表达的是“ 警察到达的时候，外星人已经离开了地面”，也就是说“外星人是在警察到达之前离开的地面”。

如果是when，那么要强调外星人是在警察到达之前离开，leave就需要用过去完成时表示动作在警察的arrived（这个动词一般过去式）之前就已经完成。

而别的句子意思则不通（例如警察到达的时候外星人正在离开，或者警察到达之后外星人离开等等，都不太对。）

希望对您有所帮助。
再问： 谢谢~