问题

Are you willing to live on Mars one day –_____ It sounds exciting， but it still worries me.

A:Of course I am.
B:I’m not sure.
C:Why not
D:Are you joking;

正确答案是：

同类题型

It is the third time that he ________ the first prize in the match

“How long do you suppose it is _______ heleft for Japan” “No more than half a month”

Mary wanted to travel around the world all by herself,but her parents did not________her to do so.[ ]

The committee has recommended that the training program _______ improved .

___ parents’ complaints, some cities havesignificantly cut school hours to give children more time for leisure and play