单项选择题

Scientists say it may be five or six years（）it is possible to test this medicine on human patients.

A. since
B. after
C. before
D. when

<上一题 目录 下一题>
热门 试题

单项选择题
—What do you want to do next We have half an hour until the basketball game. —（）. Whatever you want to do is fine with me.

A. It just depends
B. It’s up to you
C. All right
D. Glad to hear that
单项选择题
Why will the woman go to London（）

A. To have a look at London.
B. To go with her friend.
C. To spend the weekend.
相关试题