单项选择题

She didn't know ______ , because she had never done it.

A．how to do it
B．to do it
C．doing it
D．how will do it
<上一题 目录 下一题>
热门 试题

单项选择题
The boy looked at the stranger carefully, ______ who he could be.
A．to wonder
B．wondering
C．wondered
D．having wondered
单项选择题
One and a half ______ ______ left on the table.
A．apple ... is
B．apples ... are
C．apple ... are
D．apples ... is
相关试题