单项选择题

Students must sign up for classes this week in order to avoid ______ late fees.

A. paid
B. pay
C. to pay
D. paying
<上一题 目录 下一题>
热门 试题

单项选择题
Before ______ home, commuters are advised to check traffic conditions.
A. leave
B. to leave
C. leaving
D. left
相关试题