What do you think of the book — I like it very much. It’s interesting exciting.

Have you ever seen two leaves that are exactly the same?—NeverLeaves differ ____ each other ____ size and shape

Sometimes proper solutions are not far to seek ______ food safety problem[ ]

. I first met Mr Zhao nine years ago. He____ at a chemical college at that time.

The chemical factory is far away in themountains. It is nearly ____ ride from the city.