问题

__ mothers couldn’t go to themeeting, because they have gone to Shanghai

A:To be planted
B:Planting
C:Having planted
D:Planted

正确答案是：

同类题型

I won’t tell the student the answer to the math problem until he ________ on it for more than an hour

I’m not a little tired today after givingthe room a thorough cleaning and I have never had ____ today

I had just settled in the new place and didn’t know____________________.

The news he looked forward to.

He is too tired. He doesn’t want to do_______.