—Is Jack on duty today? —It ______ be him. It is his turn tomorrow.
#76227
A
mustn’t
B
won’t
C
can’t
D
needn’t
推荐题目
— Oliver looks a bit upset, did you tell him the bad news?— Yes, but I _____ him after his birthday party.
#63467
A
must have told
B
shouldn’t have told
C
needn’t have told
D
should have told
－I’d like to help the homeless people in the earthquake. －You ________ join a volunteer group.
#74891
A
must
B
need
C
can
D
couldn’t
There ____ a temple on the side of the mountain, didn't there?
#63416
A
would be
B
would have
C
used to have
D
used to be
--- Where is Jack? I can’t find him anywhere.--- He ______ his homework upstairs.
#63513
A
might have done
B
must have done
C
might be doing
D
must do
—Who is speaking there? —It be Uncle Li. He has gone to Shanghai.
#75268
A
must
B
can’t
C
might
D
should