Why do you always drive to work _______ you could easily take the bus?
A. because B. though C. once D. when
Most people are in favor of the _______ against smoking in public places.
A. collision B. negotiation C. prohibition D. discrimination
Perseverance is a kind of quality, and that’s ______ it takes to do anything well.
A. what B. that C. when D. why
The price of agriculture products _______ since the beginning of last year.
A. is going up B. had gone up C. went up D. has been going up
Our monitor is always ready to help others. He is really ______ Lei Feng in our class.
A. a B. the C. an D. 不填
Our parents have done a lot for us. I think we should ______ them by working hard.
A. relieve B. repay C. submit D. respect
