问题

re, believed to due to illegalconstruction on the building’s roof, was brought under control after an hour.

A:have occurred
B:occur
C:have been occurring
D:be occurring

正确答案是：

同类题型

I _____ have been more than six years old when the accident happened. [ ]

―Was the doctor there when you arrived? ―Yes, but he ______ out a moment later

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We should respect food and think about the people who don’t have wehave here and treat food nicely.

The light in Mr Green’s room is still ．Maybe he is working at the moment．