--- Listen! David is talking happily with his mother in the next room. --- It ______ be his mother. She has gone to Yunnan to be a volunteer doctor.
#77427
A
should
B
must
C
can’t
D
mustn’t
推荐题目
—Do you know where Mary is? I couldn’t find her anywhere.—Well . She have gone far—her coat’s still here.
#63338
A
shouldn’t
B
mustn’t
C
wouldn’t
D
can’t
— I think Mr. Zhang may be in his office.— No, he _____ be there. I saw him ____ there just now.
#77792
A
can’t; went
B
mustn’t; left
C
can’t ; leave
D
may not; going
I tried more than once to persuade the taxi driver to slow down, but he just __________ listen.
#62878
A
shouldn’t
B
mustn’t
C
couldn’t
D
wouldn’t
----Shall I go and buy two more bottles of beer? ----No, I’ve already bought them yesterday. That be enough for us two.
#62766
A
can
B
may
C
should
D
might
