问题

What time do you expect me back, Mum — Say, ______half an hour.
A:at
B:before
C:in
D: for
B:before
C:in
D: for
正确答案是:
同类题型
It’s nice _______ you _______ me with my lessons.
I think students should wear uniforms.—.We look smarter in our own clothes.
Why was the Great Wall built?— To ________ against enemies.[ ]
I think we are lost. I’ve no idea where we are.–I wish we __________the map with us.
Many Chinese _____these black and white Tintin books ever since they were invented.