We _______ to listen to our parents.
A. should
B. have
C. shouldn’t
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Henry should _______ smoking.
A. quits
B. to quit
C. quit
Lily _______ have to cook dinner tonight.
A. doesn’t
B. don’t
C. isn’t
My friend and I _______ watch the movie later.
A. should
B. has to
C. should to
Should Tiger_______ a new computer?
A. to buy
B. buy
C. buying