---_________ either he or I to host Talent Show in our school this year?

--- I have no idea, either.

Lily， help me put up the picture on the wall，　　　　？

 Only by reading more books　　　　improve your reading skills.

 Was it from the teacher　　　　you learned about this？

Not until I went through his paper _________ what rapid progress he had made in writing.

—___________ makes her different from the other students?

—Diligence, I think.

 I made up my mind that under no circumstances ______ agree to such a principle.

 ---- ______ he dropped out of school?

----His family had run into financial difficulties.

A. Why was it that   B. Why was that

C. Why was that it   C. Why was it

In no city of China ______ little about the economic development.

 _____ occurred to me that the murder happened ____ a rainy day.