题目内容

I usually spend an hour a day ________ my English.

A. study
B. to study
C. studying
D. studied

查看答案
更多问题

If one smokes too heavily, he is ________ the risk of having lung cancer.

A. at
B. in
C. on
D. with

Not having breakfast will have a bad ________ on your health.

A. affect
B. effect
C. effective
D. affective

Mr. Smith comes to our store every day. He is our ________ customer.

A. frequent
B. busy
C. regular
D. usual

We have no money to buy a house, not to mention _________ a cottage.

A. buy
B. to buy
C. buying
D. bought

答案查题题库