问题

It was too hard for the firefighters to get close to the burning building．All their attempts to rescue the people trapped were

A:in vain
B:in return
C:in place
D:in danger

正确答案是：

同类题型

I would hwouldn’t have known

Mum, Bill is coming to dinner thisevening. —Ok, Let’s give him _________ to eat.

is it from your home to your school—It takes about twenty minutes by bike.

It was_____he was ill that he was absentyesterday

We are going to play a football game _______ Class3 this Sunday.—-I will cheer for you. I hope our class will win.