Such a businessman ____ honest; he gets his money by dishonest ways.
#88054
A
can’t be
B
can’t have been
C
may be
D
may not be
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---- There’s no light on. ---- They ________ be at home.
#87559
A
can’t
B
mustn’t
C
needn’t
D
oughtn’t to
It was Mr Zhang that helped us out of the trouble. Without his help, we ______ it so easily.
#87545
A
can’t manage
B
mustn’t have managed
C
couldn’t have managed
D
couldn’t manage