动词的非谓语形式 1 Astronaut Zhai Zhigang has every reason to feel proud because he is the first Chinese ___ in space.A walking B having walked C to have walked D to walkD 为什么不选 是不是没有C选项那样的形式?

问题描述:

动词的非谓语形式
1 Astronaut Zhai Zhigang has every reason to feel proud because he is the first Chinese ___ in space.A walking B having walked C to have walked D to walk
D 为什么不选 是不是没有C选项那样的形式?