问题

The water supply has been cut off temporarily because the workers________one of the main pipes (2013·天津，13)

A:had repaired
B:have repaired
C:repaired
D:are repairing

正确答案是：

同类题型

Whendifferent cultures, we often pay attention only to the differences without noticing the similarities.[ ]

I visited many places including the History Museum last Saturday. When I _______ at the hotel, it was very late.

If you don’t go to the theatre tomorrow, ________.[ ]

Suzy ______________ the Summer Palace with her parents the other day.

Why are you mad at me, John