If you __________ drive so fast, you’ll run the risk of losing your license for six months.
#86591
A
would
B
must
C
should
D
may
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Without your help, I ____the exam last term. 
#89943
A
failed in
B
would have failed
C
wouldn’t pass
D
would fail
My little son _____ out alone at night. 
#88107
A
dares not go
B
dares not to go
C
dare not to go
D
doesn’t dare to go
Though the ship sunk, all the people on her____ be resuced.
#88157
A
could
B
should
C
had to
D
were able to