[求助]pp语法问题

victorhong2004

pp test 2

137　Working by chemical reaction, and being independence of atmospheric oxygen, rockets are used to power interplanetary space vehicles.

B错了，可是怎么改呢？

victorhong2004

141 The word "fable" frequently denotes a brief table in whose animals or inanimate objects speak

and behave like humans, usually to advance a moral point.

B错了，可是不知道怎么改呀！

psywang

137. --> independent. be independent of   独立于，不依赖于，固定搭配。

141. --> which. 只有which引导的定语从句可以将介词提前。

victorhong2004

谢谢高手指点！