The astronaut did many experiments in the spaceship,____much

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The astronaut did many experiments in the spaceship,____much help for learning about space.
A.which we think it is B.which we think are of
C.of which we think is D.we think which is of

首先,of much help =helpful,若用A,则help就是在句子中作名词,句意不顺,所以不选A
其次,这是非限制性定语从句,所以用which指代前面的情况,所以,CD不对
综上所述,选B
希望您能满意

The astronaut did many experiments in the spaceship,____much The astronaut did many experiments in the spaceship,---much The astronaut did many experiments in the spaceship,___ much 英语问题定语从句The astronaut did many experiments in the spaceship, Did you know who was the first astronaut ( In space ) Is that the lab ______ we did physics experiments in during Many of the experiments described in this book are (ease) to experiments in the photography of moviobjects__ importance_______the smallest details in the experiments (at Which spaceship did YangLiwei thake to go into the space? 12.Many experiments(?) us of the truth of this statement. some of the experiments ( )in our textbook are difficult to