问题
选择题
He met many problems he was going over his lessons.
A.before
B.as soon as
C.since
D.while
答案
答案:D
本题的含义应该是在复习功课的时候才遇到许多问题,是指一个时间概念,选项中
只有while表示在什么时候,故选D。
He met many problems he was going over his lessons.
A.before
B.as soon as
C.since
D.while
答案:D
本题的含义应该是在复习功课的时候才遇到许多问题,是指一个时间概念,选项中
只有while表示在什么时候,故选D。