Look! There’s no light on—Sara _____be at home.
#87883
A
can’t
B
mustn’t
C
needn’t
D
shouldn’t
推荐题目
 Thank you for all your hard work last week. I don’t think we _____ it without you. 
#89107
A
can manage
B
could have managed
C
could manage
D
can have managed
If I___you, I____more attention to English idioms and phrases. 
#89906
A
was; shall pay
B
am; will pay
C
would be; would pay
D
were; would pay
—What will you do next Sunday? —Maybe do some shopping, for I ______go to school on Sunday.
#87920
A
mustn’t
B
shouldn’t
C
don’t have to
D
had better not