—David, someone called you last night.—Oh, who was ?
___________ study in No.4 Middle School?A. Did you used toB. Did you use toC. Do you used to
It _________ that Yu Mei has changed a lot.A. look B. seemed C. seems
I think _________ history about China is very important.A. studyB. studyingC. studied
I won’t leave the room _____ the light _____.A. when; onB. with; onC. with; off
Sam’s been doing his homework since 8: 00, ______ he?A. isn’t B. doesn’t C. hasn’t