问题

er to do something meaningful, it’s necessary that you _______ determine what is really important.

A:must
B:will
C:need
D:should;

正确答案是：

同类题型

Several teachers and students are working together to find ______ they hope will be the easiest way to solve this problem.

─I’m checking my email. What about you ─I ________ photos to Chris.

33 Only when ____in the afternoon _____able to leave

I think he is taking an active part in social work. — I agree with you _______.

The door opened and there.