托福阅读模拟题
1. _________ a major role in future planetary exploration.
A.Robots will surely play
(B)Robots, which will surely play
(C)Because robots will surely be playing
D.Surely robots, which will be playing
1. _________ a major role in future planetary exploration.
A.Robots will surely play
(B)Robots, which will surely play
(C)Because robots will surely be playing
D.Surely robots, which will be playing