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An awful accident, however, occur the other day.A.doesB.didC.has toD.had to

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An awful accident, however, occur the other day.A.doesB.didC.has toD.had to

An awful accident, however, _____occur the other day.

A.does

B.did

C.has to

D.had to

试题答案

B

解析:

此题正确答案应选B,句末的the other day意为“前几天”,所以句子应用过去时态,而选项D填进去不合题意,故选B。此句有两个难点:一是句中插有however一词,分散了同学们的注意力;

二是所填选项B为许多同学所不熟悉的强调用法。