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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Last night the order came that all those infected with the deadly disease ________.
#87974
A
was separated
B
should separate
C
be separated
D
were separated
Without your help, I ____the exam last term. 
#89943
A
failed in
B
would have failed
C
wouldn’t pass
D
would fail