I ()go to the party tonight because I have to work
A. must
B. may
C. might
D. can't
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Kennedy ()the presidential election in 1956
A. won
B. win
C. will win
D. is going to win
Sally will send you an email to remind you ()the schedule change
A. for
B. of
C. with
D. at
()you know what time it is
A. Do
B. Will
C. Did
D. Would
How long ()it usually take you to get to work
A. is
B. does
C. did
D. will do