问题
The overseas Chinese scientist made another wonderful discovery, ___________ of great value to study AIDS
A:which I think it is
B:which I think is
C:I think it is
D:I think is
B:which I think is
C:I think it is
D:I think is
正确答案是：
同类题型
_____people went to the concert that was held in Reming Square _____ the night of May 25.
small, the company has about 1000 buyers in over30 countries.
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the judges __________ to Gana’s filmfestival was a famous artist from China, Zhang Ziyi.