When asked why he went there, he said he was sent there __________ for a space flight.
A.training | B.being trained |
C.to have trained | D.to be trained |
相关知识点
推荐套卷
When asked why he went there, he said he was sent there __________ for a space flight.
A.training | B.being trained |
C.to have trained | D.to be trained |