—Must I clean the blackboard now? —No, you _______ clean it later.
#76778
A
must
B
needn’t
C
can
D
shouldn’t
推荐题目
– I ran 10 miles last weekend. Can you believe that? – Wow, that ______ easy!
#62638
A
mustn' t be
B
mustn't have been
C
can't have been
D
couldn’t be
People who drink wine ______ to drive after May Day.
#77648
A
don’t allow
B
isn’t allowed
C
mustn’t allow
D
mustn’t be allowed
You’d better _____ too much fried chicken. It’s not good for your health .
#76037
A
not to eat
B
don’t eat
C
not eat
D
to not eat
---Could I go boating this weekend, Dad?---Yes, you ________. But you ________ come back before lunch.
#74541
A
could; must
B
can; must
C
could; should
D
must; should
She ________ when she received her medical report.
#63609
A
could help but to cry
B
couldn’t help but crying
C
couldn’t help crying
D
couldn’t help to cry
