---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
We can make a fire ______ the room warm so that we can chat for a while.
#77591
A
to keep
B
keeping
C
keep
D
kept
—May I take photos in the museum? —No, you . You obey the rules here.
#74471
A
may not; can
B
mustn’t; may
C
can’t; can
D
mustn’t; must
—Do you still go jogging every morning?—Yes, I can’t think of a _______________ way to start a day.
#63030
A
better
B
best
C
worse
D
worst
When he was there, he ________ go to that coffee shop at the corner after work every day.
#62560
A
would
B
should
C
had better
D
might
—Must I water the flowers now? —No, you ________ . You __________ do it later.
#74201
A
mustn’t, must
B
mustn’t, may
C
needn’t, may
D
needn’t, must