--- Do you know _____ by the police last night? --- Yes, because he spread a rumor(谣言) on Wechat.
A. how was a teenager caught
B. how a teenager was caught
C. why was a teenager caught
D. why a teenager was caught
--- Many parents often warn their kids _____ candies or toys from a total stranger.
--- That’s right. They are afraid it bring some danger to the kids.
A. to accept B. accepting
C. not to accept D. not accepting
“Students _____ made no mistakes in today’s exercises please raise your hands.” The teacher said.
A. which B. who C. what D. whose
--- Time for bed, Dear. --- Not yet, Mum. I _____ until I _____ going over my lessons.
A. will stay up; finish B. stays up; will finish
C. won’t stay up; finish D. don’t stay up; will finish
--- Alex, did you find the old house that you used to live in?
--- Yes, but with much difficulty, for my hometown has _____ changed over these years.
A. hard B. hardly C. complete D. completely
--- _____ free lunches _____ to students in all schools in China? --- No, only in the countryside.
A. Are; served B. Do; serve
C. Is; served D. Have；served
