问题

You should make good use of every _____ minute to study.[ ]
A: cautious
B: dangerous
C: expensive
D: precious
B: dangerous
C: expensive
D: precious
正确答案是:
同类题型
I’m green at everything.—Don’t worry. ______ you get older,you will get more experience.
Though they met for the first time, they talked________they were good friends.[ ]
Could you tell me ______—Oh, no. The place is a secret before we get there.
er I enter the library, I see him at the back of the library reading.
In those years, poverty ______, hungry farmers wandered about the countryside.