单项选择题
A.which B.that C.what D.how
The question is not worth（）again and again.A.discussB.d...
单项选择题The question is not worth（）again and again.
A.discuss B.discussing C.to discuss D.to be discussing
How much control you want to turn over to the car may d...
单项选择题How much control you want to turn over to the car may depend on your age and（）.
A.where are you going B.where you are going C.where do you go to D.that you are going
GM envisions a system（）connects intelligent cars to eac...
单项选择题GM envisions a system（）connects intelligent cars to each other and to remote servers in a vast, moving peer-to-peer network that would let them（）efficiently and in sync.
A.that; to travel B.which; travel C.where; travel D.that; travel
