We should do more such exercises in the future I think we did yesterday.A. asB. whichC.

问题补充：

We should do more such exercises in the future, I think, we did yesterday.

A. as

B. which

C. that

D. than

答案：

A. as

B. which

C. that

D. than

解析：在such...as结构中,as常引导定语从句。题中I think是插入语。