My uncle says he_____ me a beautiful present on my next birthday.
A. will give
B. is giving
C. gives
D. has given
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You should be more confident_____ you attend the competition.
A. before
B. since
C. after
D. when
Don't leave the classroom_____ you finish your exercises.
A. before
B. since
C. after
D. when
Please buy a dozen of egges_____ you go to the grocery store.
A. before
B. since
C. after
D. when
Mary greets_____ at the gate of her store every morning.
A. costume
B. custom
C. customer
D. customers