2.   Is that your brother?(改为复数句）
________________ your_________ ？

1.  These are pens.(改为单数句）

________________ a_________ ,

7.  ―Tom, have a good day in Beijing.

   A.   How are you?

 B.   Thank you.

 C.   Nice to meet you.

   D.Yes, you're right.

5. I think giraffes are k_  of    shy.

-The USA.

6.  ―Are these English books?

A. No, these are                     B. Yes, they are

C. No, they are                      D. Yes, these aren't

3. The cat is very 1    .    He   sleeps  all   day.

5.   ―________ she?

一She is my friend.

A. What's          B. How's

C. What color's     D. Who's

2. Why do you like koalas?

—B    they are cute.

4.   Are_________ Kate's(凯特的）_______ ？

A. this; CD            B. that; CD

C. these; CDs          D. those? CD