I like your pet dog very much. But I can’t find _______ in the pet shop. Where did you buy _______?

----Would you like tea or coffee ? -----________. Thank you . I’ve just had some water .

I find        difficult for Tom to reach that picture.He is a little short.

 --- Are these your books?      　　　　　　--- No, they aren’t. They are ____________.

— Do you know who teaches ______ Chinese? — Yes . Mr Wang does.