问题

It _____ last week that the haze(雾霾)in Beijing caused many problems.

A:reports
B:reported
C:is reported
D:was reported

正确答案是：

标签： last , week

同类题型

I think Ms Han is an teacher.

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Excuse me!How long may I ________this book?—For about a week.

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She may be slow, but she is honest.