The two girls _____ how to dance one month ago and now they can dance well.
A. taught B. have taught
C. are taught D. were taught
—I think I’ll wear jeans to the party?
—That’s not a good idea. If you do, the teacher ______ you in.
A. don’t let B. won’t let
C. didn’t let D. doesn’t let
I know Nanning very well because I ______ there many times.
A. go B. will go
C. have gone D. have been
______ silent, please. The baby is sleeping.
A. Keep B. Kept C. To keep D. Keeping
—Dad, smoking is bad for your health.
—You’re right. I’ve decided to ______.
A. take it down B. find it out
C. turn it off D. give it up
—How long have you _e? _____ the bike over ther
—For two days.
A. bought B. had C. borrowed D. lent
