问题

MrSmith couldn’t open the door because his naughty boy _______ it from the inside

A:would lock
B:was locking
C:has locked
D:had locked

正确答案是：

同类题型

He wasn’t looking forward to the time ______ he had to give evidence to the court

Children should _______ get on well with others．

Many of them turned a deaf ear to his advice ______ they knew it to be valuable.

Sandy and I on the playground.

Was it at five o’clock ______the fire broke out？