My sister met him at the Grand Theater yesterday afternoon, so he ________ your lecture.
#63289
A
couldn’t have attended
B
needn’t have attended
C
mustn’t have attended
D
shouldn’t have attended
推荐题目
You ______ your coffee before it turns cold.
#76158
A
should drink
B
should drinks
C
should drinking
D
should to drink
—How did he get my telephone number?—You ________ it . You told him last week.
#63204
A
should have forgotten
B
may have forgotten
C
must have forgotten
D
could have forgotten
You       buy a gift, but you can if you want to.
#62926
A
must
B
mustn't
C
have to
D
don't have to