Unit 3 自我检测

一、词汇：

A)     写出下列单词的复数形式、

1．this  ________ 2. that __________ 3. it_______ 4. he_________ 5. brother ________

6. friend _________ 7. box___________ 8. watch ________9. family______10. boy______

B)     用适当的单词完成下列句子。

11．My father and mother are my ________________.

12. This is Susan. My father is her son. She is my ___________.

13. He is my father, but I’m not his son. I’m his _____________.

14. Mary is my sister and I’m her __________.

15. This is Paul. His mother is my aunt. I’m his ______________.

二、单项选择。

(      )1. (      )1.This is _______car. __________car is very expensive.

A. an, An    B . a , An     C . a,  The   D . the  The

(      )2. ---Are those your brothers?

-----Yes , __________.

A. those aren’t     B . they are    C . those are     D . they’re