—Where is Bob? I cannot find him anywhere.—He       have been off long. I heard him make a call just now.
#90189
A
shouldn’t
B
can’t
C
mustn’t
D
needn’t
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— What has happened to Tom ? — I don''t know . He ____ lost . 
#89746
A
could get
B
might yet
C
can have got
D
may have got
I     have written to him because he phoned me shortly afterwards.
#88224
A
ought to
B
must
C
couldn’t
D
needn’t
You did not go to the party yesterday, or I ___ you.
#89042
A
would see
B
could meet
C
might have seen
D
might see
--Is Jack still in hospital? --Yes. He _________ the bad food. 
#86502
A
wouldn’t eat
B
shouldn’t eat
C
wouldn’t have eaten
D
shouldn’t have eaten