问题

It was____ computer games that cost the boy lot of time that he ought to have spent on his lessons.

A:to have played
B:playing
C:played
D:having played

正确答案是：

同类题型

They consider that vase to be a treasure, but in my opinion, it is just a ______ bottle.

Have you finished doing the work____ ——Not____.

Usually, a mother wolf gives birth to five to seven baby wolves .

My schoolbag is bigger than_________.

I didn’t know what“loquacious” meant and had to ________ in a dictionary