|作者：TJX 文章来源：本站原创 点击数： 更新时间：2012/3/30||
I want to improve my English, but I don’t know _________. What can you suggest?
A. when B. how C. why D. where
【分析】此题应选 B，其余三项均有可能误选，其实此句为省略句，补完整应为 … but I don’t know how to improve my English. 请看以下类似试题：
(1) I think the door is locked, but I’d better go and make sure it _________.
A. does B. has C. was D. is
答案选D，为 …and make sure it is locked. 之省略。
(2) Dr Black comes from either
A. where B. there C. which D. that
答案选C，为I can’t remember which city he comes from. 之省略。
(3) Some of the answers were correct, but I don’t remember _________.
A. where B. what C. which D. that
答案选C，I don’t remember which 后省略了 ones (were correct)。
(3) He didn’t sell half as many computers as he thought he _________.
A. had B. was C. would D. sold
答案选C，为He didn’t sell half as many computers as he thought he would sell. 之省略。
(4) I touched the door to see if the paint was still wet, and it _________.
A. did B. was C. had D. might
答案选B，为…and it was wet. 之省略。
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