单项选择题

______ , he would have been able to pass the exam.

A．If he studied more
B．If he were studying to a great degree.
C．Studying more
D．Had he studied more
<上一题 目录 下一题>
热门 试题

单项选择题
The plane ______ a few minutes after it took off and most of the passengers died.
A．collided
B．crushed
C．crashed
D．smashed
单项选择题
It is necessary that an efficient worker ______ his work on time.
A．accomplishes
B．can accomplish
C．accomplish
D．has accomplished
相关试题