–She looks very happy. She ________have passed the exam. --I guess so. It’s not difficult after all.
#87268
A
should
B
must
C
could
D
might
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Jack _______ yet last night, otherwise he _______ me.
#89893
A
mustn’t have arrived; must have phoned
B
can’t have arrived; would have phoned
C
may have arrived; need have phoned
D
shouldn’t have arrived; can have phoned