单项选择题

The doctor told him that he should take this medicine one pill at one time.

A．told
B．should take
C．one
D．one
<上一题 目录 下一题>
热门 试题

单项选择题
His parents are worried because they haven't heard of their son in more than two months.
A．worried
B．because
C．of
D．in
单项选择题
If the experiment succeeds or fails, it will provide us with valuable experience, which is essential to improving our future work.
A．If
B．provide us with
C．valuable
D．improving
相关试题