----_____does it cost? ---Five hundred and fifty yuan.
.Mr.Smith ___________ is smoking is looking for what he lost yesterday.A. whom B. who C. which
–Did you visit the 23rd National Books Expo last month?–Yes, it was really ______.We saw many famous people, like Mo Yan and Ni Ping.A. excited B. exciting C. boring
–Which scarf do you prefer? –The red one. It more comfortable.A. tastes B. gets C. feels
–Tony, don’t draw on the wall. It isn’t good behavior. – .A. Never mind.B. Of course not.C. Sorry, I won’t.
–Whose exam paper is it?–It be Li Lei’s. He always forgets to write his name on it.A. must B. should C. can’t