1. He is always active in _______children .
A. help B. helping C. helped D. to helping
2. We can’t expect life _____ perfect.
A. to be B. being C. been D. to being
3. After he finished______those questions, he went on_______his homework.
A. answer, doing B. answering, doing
C. answer, to do D. answering, to do
4. ____ the help of other people, he finally gave ____smoking.
A. Under, in B. With, up C. Under, to D. With, on
5. My mother won’t allow me to play outside if I don’t _______my homework .
A. fix B. care C. finish D. break
6. It’s a real________to build a road in the mountain.
A. experience B. education C. accident D. challenge
