题目内容

"You can't have this football back —— you promise not to kick it at my cat again," the old man said firmly.

A. because
B. since
C. when
D. until

查看答案
更多问题

_____ environmental damage is done, it takes many years for the ecosystem (生态系统) to recover.

A. Even if
B. If only
C. While
D. Once

We’re just trying to teach a point ____ both sides will sit down together and talk.

A. where
B. that
C. when
D. which

His plan was such a good one _________we all agreed to accept it.

A. so
B. and
C. that
D. as

This is a very interesting book. I’ll buy it, _______.

A. how much may it cost
B. no matter how it may cost
C. however much it may cost
D. how may it cost

答案查题题库