问题
选择题
—Wait for me, please. I'm not ready.
—You should get all the things ready ___ we begin our trip. [ ]
A. until
B. after
C. before
D. while
答案
答案：C
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—Wait for me, please. I'm not ready.
—You should get all the things ready ___ we begin our trip. [ ]
A. until
B. after
C. before
D. while
答案：C