I’m not good at Maths, so I don’t know _________ out this difficult Maths problem.
A. when to work B. who to work
C. what to work D. how to work
---Your sister _________ a lot during these years.
---Yes. She _________ three years ago.
A. changed; got married
B. changed; has been married
C. has changed; got married
D. has changed; has been married
I _________ great progress in English since I _________ reading novels in English.
A. am making; begin B. have made; began
C. had made; began D. was making; begin
To the students, it’s _________ to enjoy a video during the class.
A. relaxed B. relaxing
C. bored D. boring
---Have you seen Mr. King these days?
---No, he _________ Shanghai for an international meeting. He’ll come back in three days.
A. has gone to B. has been to
C. has gone in D. has been in
What did you buy _________ your son _________ his birthday present?
A. for; as B. as; for
C. for; with D. to; with
