-------How many students are there in the classroom? ------- ________ .They are all on the playground.

____ is what he did, not what he said, that moved us greatly.

They said Lily’s work was equal to ___ of a student who had completed four years of college.

_________ is a fact that English is being accepted as an international language. 

 — He got his first book published. It turned out to be a bestseller.— When was __________?—__________ was in 2000 when he was still in college.