-_______ I tell the head teacher all that has happened? -No, you _______! Mr. Xin would be terribly angry.
#89147
A
Will; needn’t  
B
Would; can
C
Should; mustn’t
D
Must; don’t have to
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The light is still on. They ___ to turn it off when they left the room.
#87772
A
must forget
B
could have forgotten
C
may forget
D
must have forgotten
 I insist that he _______ medicine instead of law.
#87926
A
has studied
B
studies
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should study
D
studied
How lucky he was! He ____ involved in the murder.
#86955
A
must have been
B
can have been
C
could have been
D
would have been