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____ will come and lend us a helping hand on such an awkward occasion?
A. Who do you think B.Whom do you suppose
C.Whom do you think D.Do you suppose who
昨日习题答案:People used to think that the earth was flat, ( C. didn’t they ).句意:人们过去认为地球是平的,是吗?used to do sth 表过去的行为状态,所以反意疑问句应该用过去的助动词 did 。
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