单项选择题

Mr. Smith stayed up late on Friday, _____ a long speech for the president.

A．prepared
B．to prepare
C．preparing
D．prepare
<上一题 目录 下一题>
热门 试题

单项选择题
The doctor promised to keep all the family members _____ of how the operation was going on.
A．informing
B．to be informed
C．informed
D．to inform
单项选择题
Excuse me, you can complain to me; I’m the person _____.
A．in case
B．in charge
C．in effect
D．in force
相关试题