问题

I think trees ____________ twice a week in such hot weather.—Yes, I agree. Or they may die without water.

A:must water.
B:are watered.
C:must be plante
D:must be watered.;

正确答案是：

同类题型

The jacket is nice (好看的).—_______.

How long could I your English-Chinese dictionary—Only one day, please.

Why can’t I smoke here—At no time _________ in the meeting room.

Sometimes it rains ________in Xi’an in summer.

____You should drive your car less. Otherwise, you’re likely to more weight。___ You’re right. I need some walking exercise.