[题目]Sam used to be short, he?A.didn'tB.wasn'tC.didD.was 题目和参考答案——青夏教育精英家教网—

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【题目】Sam used to be short, ______ he?
A.didn't
B.wasn't
C.did
D.was

【答案】A
【解析】句意：萨姆过去矮，是不是？这是一个反义疑问句。前陈述部分是肯定的，疑问尾句要用否定形式，前句是一般过去时，否定是加：didn't。故选A。

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A. or B. and C. so D. because

A. to swim B. swimming C. swims D. swim

A. sick B. blind C. tired D. sad

【题目】Our classroom should ______ by ourselves every day.
A.clean
B.cleaned
C.be cleaned
D.be cleaning

A. look after B. look up

C. look for D. look out

【题目】Could you please tell me __________ some stamps?
A.where can I buy
B.what I can buy
C.where I can buy
D.what can I buy

— . I want to change into a nice shirt.

A. That’s right B. It doesn’t matter

C. Wait a moment D. See you later.

—I study working a group.

A. for； in； with B. for； by； at

C. for； by； with D. of； in； by

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