Students can easily fall behind in their studies ____ they don’t manage their spare time carefully. ...
2023-01-12 14:45:41 59次 上海市浦东新区2010届高三下学期高考预测 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Students can easily fall behind in their
studies ____ they don’t manage their spare time carefully.
|
A．though
|
B．if
|
C．since
|
D．until
|
本题链接：
