单选题You can’t borrow books from the school library ______ you get your student card.A beforeB ifC whileD as

题目
单选题
You can’t borrow books from the school library ______ you get your student card.
A

before

B

if

C

while

D

as


相似考题
参考答案和解析
正确答案: C
解析:
句意:你还没拿到学生卡之前不能从图书馆借书。before在…之前。if如果。while当…时候。as当…时候;因为。本句应用before引导时间状语从句,故答案是A项。