1.       two big mouth

2.       a small mouth

3.       a long snake

4.       borrow a piece of paper

5.       look at the black whale

6.       May I put this long ruler on the desk?

7.       May I look at the newspaper, please?

8.       May I stand at the door?

9.       May I open the door?

10.   Is the mouse big or little?

11.  Thank you for your invitation.

12.  May I borrow your paintbrush, please?

13.  May I borrow a piece of paper, please? Sure.

14.  Her scissors aren’t between the two notebooks.

15.  Let’s look at our photos.

16.  three pieces of paper

17.  a pair of scissors

18.  This is a photo of my friend.