After Yang Liwei succeeded in circling the earth,_____ our astronauts desire to do is walk in space.A.where B.what C.that D.how
问题描述：
After Yang Liwei succeeded in circling the earth,_____ our astronauts desire to do is walk in space.
A.where B.what
C.that D.how
答
选B
意思是：杨利伟绕地球飞行后，我们航天员所渴望的是在太空行走
答
B what引导后面的句子并且做do的宾语，整个句子的意思就是：自从杨利伟成功环绕地球飞行以后，宇航员想做的就是在太空中行走。
答
_____ our astronauts desire to do is walk in space.
这部分是主语从句,do后面缺成分,用what