Paul doesn’t know _________ about his problems.
A. how to talk to B. who to talk
C. where to talk to D. who to talk to
--Who _______ the Harry Potter series________ ? -- J.K.Rowling.
A. did, be written B.was, written
C. was, written by D. did, be written by
We know that about seventy percent _____ the earth _____ covered by water.
A. /; is B. of; are
C. of; is D. about; are
The question is _________ .
A. so hard for us to understand it
B. too hard for us to understand it
C. too hard for us to understand
D. so hard for us to understand
-- Must I return the book this week?
-- No, you ______. You can _____ it for 20 days.
A. mustn’t; keep B. don’t have to; borrow
C. needn’t; keepD. mustn’t; lend
– You shouldn’t stay up late tonight.
– Thanks, I will go to bed earlier. .
A. No pain, no gain
B. I believe practice makes perfect
C. Many hands make light work
D. I won’t burn the candle at both sides
