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
B:reported
C:is reported
D:was reported
正确答案是:
同类题型
Lucy, it’s too hot. Put the meat in the fridge, or it will bad.—OK, Mum!
Jane’s opinion is different from _______, but I really agree with _______.
There are five students in our school.
You had better the book to others.— No, I won’t. [ ]
________ is your home from the center of the city? —Well, only five minutes’ bus. [ ]