You should be more confident _____ you attend the competition.
A. before
B. after
C. when
D. that
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Don't leave the classroom ______ you finish your exercises.
A. before
B. after
C. when
D. which
Please buy a dozen of eggs ______ you go to the supermarket.
A. after
B. when
C. before
D. which
There __ a dolphin show in the zoo tomorrow evening.
A. was
B. is going to have
C. will have
D. is going to be
The day after tomorrow they __ a volleyball match.
A. will watching
B. watches
C. is watching
D. is going to watch
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