---- There’s no light on. ---- They ________ be at home.
#87559
A
can’t
B
mustn’t
C
needn’t
D
oughtn’t to
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If you ______ firm action to deal with it at once, you wouldn’t suffer heavy losses tomorrow.
#86970
A
take
B
took
C
has taken
D
had taken
“ Have you visited the Science Museum?” “ No, but I really wish I ___.”
#87206
A
had
B
did
C
have
D
will
The recommendation he gave me is that I ____ more traveling to open my eyes.
#88055
A
will do
B
could do
C
should do
D
must do
But for their common interests, they_____ cooperated so smoothly in the investigation of the case.
#86893
A
could have
B
will not have
C
could not have
D
have not