______she is not in good health, ______she works very hard .

Tom often helps me ______ my English.

John was born _______ June 6, 1985.

What did you have ______ lunch today?
A. with      B. for            C. at

I often go to school ______.
A. by bus      B. by buses      C. by a bus

——What are you doing _______ vacation?
A.   to            B. for                 C. at

I have 8 classes _______Monday,so I’m very ______.
A. in;cool        B.at;free         C.on;busy

They will build nature reserves _____ protect ______ birds.

We can’t win the match ________your support.

----How did he finish the work?----I hear that he did it __________