—I’mworriedaboutmyschoolgrades.What’syouradvice?     —Y...

问题详情：

—I’m worried about my school grades. What’s your advice?

      —You shouldn’t wait _________ the last minute to study for a test.

        A. although     B. until    C. but   D. if

【回答】

B

知识点：连词

题型：选择题