单项选择题

You must get everything ______ before you begin the experiment.

A. prepare

B. prepared
C. preparing

D. is prepared
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单项选择题
A. We are a little late. B. I’ll have dinner at about 9 p.m..C. I always eat a big dinner. D. It is really delicious.
A. We are a little late.
B. I’ll have dinner at about 9 p.m..
C. I always eat a big dinner.
D. It is really delicious.
单项选择题
A. 7:40. B. 8:00. C. 8:20. D. 8:10.
A. 7:40. B. 8:00.
C. 8:20. D. 8:10.
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