问题
He made another wonderful discovery, __________ of great importance to science.
A:I think which is
B:which I think it is
C:which I think it
D:which I think is
B:which I think it is
C:which I think it
D:which I think is
正确答案是：
同类题型
If you want to go to see the movie this evening, so __ I.
_______ homework, we do their homework on Sunday.[ ]
Mike has much difficulty ________ Chinese so he often asks me ________ help.
My sister often helps me ________ Japanese.
Would you like some coffee? — Yes, please. Do you have any milk? I prefer coffee _____milk. [ ]