Go back home now, Mary. Your parents ______ your safety.

A. are concerned about B. are concerned with

C. are concerned on D. concern of

----You haven’t done it well.

----But I tried my best and did it ______ the way ______ I thought was the best.

A.in, which B. by, in which

C. by, in that D. in, what

. It is so nice to hear from her. ______, we last met more thirty years ago.

A. What’s more B. That is to say

C. In other words D. Believe it or not

Ladies and gentlemen, please fasten your seat belts. The plane ______..

A. take off B. is taking off

C. has taken off D. took off

It’s the protection for the trees ___ really matters, _____ how many trees are planted each year.

A. what, other than B. which, or rather

C. that, rather than D. as, more than

You are asked to attend the meeting ______ in the hall this weekend.

A. being held B. to be held

C. held D. holding

He has given me so much help that I really want to do something for him ______.

A. in turn B. by turns

C. in return D. in answer.

If you are looking for a ______, you can make it when it is on sale.

A. price B. bargain C. cost D. bill

Mr. Smith is very happy because the cars made in his factory have never been ______.

A. popular B. more popular

C. most popular D. the most popular

Your brother ______you is very kind to me.

A. and B. or

C. as well as D. as well