. It is only when you nearly lose someone____________ you fully realize how much you value him.

I believe that those mountains ________ with trees in a few years’ time

My grandpa used to in a small village, but he has been used toin a big city.

Won’t you go to Kathy’s wedding party?— No, _____ invited.

It was only after he had read the papers _______ Mr．Gross realized the task before him was extremely difficult to complete．