Tina has a ruler. It is yellow. Abby has a pencil. It is orange. David has an eraser. It is red. Bob has a bag. It is white. I have a pencil box. It is green. We all have brown books.

1.The ruler is ______.

A orange

B red

C white

D yellow

解析：选D。D细节理解题。根据“Tina has a ruler. It is yellow.”可知，尺子是黄色的。故选D。

2.Who has a pencil?

A Tina.

B Abby.

C David.

D Bob.

解析：选B。B细节理解题。根据“Abby has a pencil.”可知，Abby有一支铅笔。故选B。

3.Bob has ______.

A an orange bag

B a white bag

C a red book

D an eraser

解析：选B。B细节理解题。根据“Bob has a bag. It is white.”可知，Bob有一个白色的包。故选B。

4.What’s green?

A Pen.

B Pencil.

C Pencil box.

D Eraser.

解析：选C。C细节理解题。根据“I have a pencil box. It is green.”可知，铅笔盒是绿色的。故选C。