问题

It is very important for us to _______and work hard.

A:keep fit
B:keep fat
C:keeping fit
D:keeps fat;

正确答案是：

同类题型

Would you mind my opening the window—________. I am feeling a little cold because of my bad cold.

Will there be money in 100 years– ________. Everything will be free.

He was a member of a dining club, the Bullingdon Club, ______ was famous for its hard drinking and bad behavior.

I would have come earlier, but I_______ that you were waiting for me[ ]

I must be off now. My friends ________outside.