（ ） comes back first is supposed to win the prize.

We mention the importance of giving up smoking once and again, but hardly ______ it.

When I saw the expression on his face, I realized he is （ ） agreement with me.

I stayed up all night _____ to find a new solution to the problem.

The film （ ） him of what he had seen in China.

() comes back first is supposed to win the prize.

We don’t doubt _____ he can do a good job, concerning his experience.

（ ） he often forgot their wedding anniversary greatly annoyed his wife.

I love thinking of new designs. It keeps my mind clear and active and fills my retired life with （ ）.

The price of fish is （ ） during the Spring Festival.

By the end of this term, we （ ） 3000 English words in all.

The government cannot operate effectively （ ） it is free from such interference.