Tim：I lost my yellow pencil box this afternoon. There are three pencils，a pen and a ruler in the pencil box.

Bob：I lost my schoolbag this afternoon. There is a Chinese dictionary，a computer book and two notebooks in my blue schoolbag.

Frank: My bag is green. I can't find it this morning. There are two CDs and three picture books in it. My English book is in it, too.

Linda: I can't find my schoolbag this afternoon. It is red. There is a pencil box. a map and a notebook in my schoolbag. Oh, a set of keys is in it too.