单项选择题

The ancient Egyptians are supposed ______ rockets to the moon.

A．to send
B．to be sending
C．to have sent
D．to have been sending
<上一题 目录 下一题>
热门 试题

单项选择题
A well-written composition ______ good choice of words and clear organization among other things.
A．calls on
B．calls for
C．calls up
D．calls off
单项选择题
The traditional approach ______ with complex problems is to break them down into smaller, more easily managed problems.
A．to dealing
B．in dealing
C．dealing
D．to deal
相关试题