— Would you do me a favor and carry these books?
— _________
A. Yes, that’s right B. No trouble
C. Never mind D. With pleasure
I don't skate now, but I ____when I was a kid.
A. used to B. am used to do
C. was used to skate D. used to it
You can’t move in right now. The house _____ now.
A. has painted B. is painted
C. is being painted D. is painting
—How long _____each other before they _____here?
—For about a year.
A. have they known, come B. did they know, came
C. do they know, come D. had they known, came
Three-quarters of the land _____covered with green grass .while the rest _____covered with pine trees.
A. is, is B. is, are
C. are, is D. are, are
I don’t think he came yesterday, _____?
A. did he B. do I
C. didn’t he D. do he
