It’s nearly 7 o’clock. Helen _______ come, but let’s wait for her for another 5 to 7 minutes.
#88061
A
couldn’t
B
can’t
C
mustn’t
D
may not
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It ______ heavily when he got back home for he was wet all over．
#87955
A
was raining
B
must have been raining
C
must be raining
D
rained
．—I did not know you were good friends．—You___．I have known her since she moved here．You were abroad then．
#88349
A
may have
B
needn’t have
C
couldn’t have
D
must have
I________through that bitter period without your generous help.
#86828
A
couldn't have gone
B
didn't go
C
wouldn't go
D
hadn't gone
Tony ________ full marks, but he was so careless as to make a spelling mistake.
#86660
A
could have gained
B
can have gained
C
must have gained
D
must gain