The weather turned out to be fine yesterday．You __the trouble to carry your raincoat with you．
#88112
A
should have taken
B
mustn’t have taken
C
could have taken
D
needn’t have taken
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There was something wrong with the network, or the email ________ earlier.
#86491
A
could have been sent
B
might be sent
C
need have been sent
D
must be sent
—What do you think of Sam, the newcomer? —Well, he talks as if he ________ everything.
#87204
A
had known
B
has known
C
knew
D
will know