---Look at the boy running on the playground. Is it David? ---It ______ be him. I saw him go to the teachers’ office just now.
#76689
A
mustn’t
B
can’t
C
couldn’t
D
must
推荐题目
—I heard they went skiing in the mountains last winter. —It true because there was little snow there.
#62253
A
may be not
B
won’t be
C
couldn’t be
D
mustn’t be
—Did you ask Tom for help?—I ________. —I managed perfectly well on my own.
#62620
A
needn’t have
B
don’t need to
C
didn’t need to
D
needn’t
I’m feeling much better now so you ______ call the doctor.
#78333
A
couldn’t
B
wouldn’t
C
can’t
D
needn’t
— No wonder you caught a cold. You __________ out last night without a coat. — I know how silly I was.
#63493
A
should have gone
B
shouldn’t have gone
C
can’t have gone
D
mustn’t have gone
—________I complete so much my homework now?— No, you ________.You can do it after supper.
#74934
A
May; ought not to
B
Should; can’t
C
Can; mustn’t
D
Must; needn’t