We had to ____our discussion because one of us suddenly got ill.
A. take off B. turn off.
C. break off D. put off
Johnny, you __ play with the knife, you __ hurt yourself.
A. won’t; can’t B. mustn’t; may
C. shouldn’t; must D. can’t, shouldn’t
-The winner of the race is a tall and thin boy with glasses.
--Then it___ be my friend, Mike, who looks like very fat.
A. might B. can’t C. don’t D should
I don’t have to introduce him to you __ you know the boy.
A. until B unless C. since D but
This is my beautiful school __ is near the famous library.
A. where B. which C. who D. when
-He didn’t go to the lecture this morning, did he?
-_____. Though he was not feeling very well.
A. No, he didn’t B. Yes, he did
C. No, he did D. Yes, he didn’t
