I have _____________ to tell you.

I find _____ hard to concentrate on my studies with some people having small talks around me.

Even if they are on sale,these mobile phones are equal to       in price,if not more expensive than,at the other store.

In face ___is a hard job for the police to keep order in an important football match. 

I wanted to buy a copy of The Youth, but there was     left in the bookshop．