单项选择题


A．proper
B．indirect
C．correct
D．wrong
<上一题 目录 下一题>
热门 试题

单项选择题
The space shuttle Discovery completed a ______ mission upon its return to Kennedy Space Centre.
A．11-day
B．94-day
C．10-day
D．49-day
单项选择题
When the spacecraft was going to land,______.
A．it produced a lot of noise
B．there were scattered showers
C．people could see it high in the sky
D．people could neither see nor hear it
相关试题