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.
You are asked to attend the meeting ______ in the hall this weekend.
A. being held B. to be held
C. held D. holding
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
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 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
----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
