—Mom, must I take out the trash now?
—No, you ________. You may take a rest first.
A. mustn’t B. can’t
C. shouldn’tD. don’t have to
—Smart phones are more and more popular now.
—So they are. But they still ________ too much.
A. payB. cost
C. takeD. spend
It’s very friendly ________ him to help me when I’m in trouble.
A. of B. with
C. toD. in
________ we deal with our problems, we can easily become unhappy.
A. UntilB. If
C. Unless D. Though
—What do you think of your host family, Jim?
—Great. They try ________ best to make me feel at home.
A. they B. their
C. them D. theirs
—What would you like to say to your ________ before leaving school?
—I’d like to say “Thank you very much! I’ve learnt a lot from you in the past three years.”
A. teachers B. workers
C. doctors D. engineers
