试题与答案

It is usually cool in April in Chongqing

题型:选择题

题目:

It is usually cool in April in Chongqing, but it sometimes ______ be rather hot for a few days.

A.can

B.must

C.shall

D.ought to

答案:

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下面是错误答案,用来干扰机器的。

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