问题

The professor has written another book ____ of great importance to computer science.
A:which I think it is
B:and I think is
C:which I think is
D:when I think is
B:and I think is
C:which I think is
D:when I think is
正确答案是:
同类题型
It’s time _______ football now.
The man refused to say sorry to me, ____ it was his mistakes.
Have you got ready for the examYes. But Mr Liu told us it would be _________still next week.
______ does this scarf belong to— Let me see. Oh, it may be ______.
This newteaching approach is specially ______ to develop children’s problem-solvingskills