There are _____ books in the library, and about _____ of them are in English.

Thank you for your _________. They are of great_________ to me.

Products made in this factory ____well; they have sold ___all their products.

Why do you look sad?—There are so many problems ______.[ ]

I didn’t watch the football match on TV yesterday.一 .I got home too late to watch it.