I tried to call on you last week but your dog simply ____ not let me come through the gate.
#89192
A
could
B
would
C
might
D
should
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I should not have laughed if I _________ you were serious.
#86761
A
thought
B
would think
C
had thought
D
have thought
— I’ll tell Mary about her new job tomorrow. — You ______ her last week. 
#89264
A
ought to tell
B
would have told
C
must tell
D
should have told
She didn't answer the phone.She ___ be asleep.
#88930
A
couldn't
B
mustn’t
C
might
D
had to