( ) Sam ate two hamburgers yesterday. ( ) I think this book is good. ( ) These toys are on Shelf A. ( ) You can find out about animals in the books. ( ) There is a CD-ROM in the box. ( ) Lingling had a traditional English dinner.
( ) Many years ago,there weren't cars and buses in our city. ( ) Mike went to London last Summer. ( ) My grandpa was a doctor ten years ago. ( ) She wore a nice coat yesterday. ( ) There was a small house here. ( ) We haven't any televisions many years ago. ( ) He is learning Chinese history.
