问题

Don’t _____ trees. They are our good friends.
A:cut up
B:cut down
C:sit down
D:come true;
B:cut down
C:sit down
D:come true;
正确答案是:
同类题型
I’m afraid I’m not ____ to help with the show, for I am fully occupied with my own project.
Once you _________ used to theweather here, you ________ to live here.
Tom can play drums, but Sam can play tennis.
elighted to _____ your acquaintance,MrBaker
day I had a word with the CEO of thecompany, ___ who used to teach at Beijing University.