When __________ whether Chinese could develop their own missiles,
Qian Xuesen said Chinese could do anything that foreigners coulddo.
A.asked | B.asking |
C.to asked | D.having asked |
推荐套卷
When __________ whether Chinese could develop their own missiles,
Qian Xuesen said Chinese could do anything that foreigners coulddo.
A.asked | B.asking |
C.to asked | D.having asked |