Unit 3 Is this your pencil?
基础导练
用括号中所给单词的适当形式填空。
1. —Is this your phone?
—Yes，it’s (I)．
2. Are these your (ruler)?
3. This cup is (her)．
4. This isn’t my orange. It’s (his)．
5. Those are my jackets. (it) are green.
单项填空。
( )1．—Is it your jacket?
—No，isn't. It's _____．
A．my　 B．his　 C．her　 D．you
( )2．It is ___ eraser and it's ___ red eraser.
a；a B．an；a C．a；an D．an；an
( )3．This is ___ dictionary. ___ is in the room.
A．mine；Her B．my；Hers
C．mine；Hers D．my；Her
( )4．—Is ___ your pencil?
—Yes，___ is.
A．this；it B．that；that
C．this；that D．it；this
( )5．—Are these ___ books?
—No，they aren't.They are ____.
A．her；your B．your；mine
C．his；her D．her；mine
三、完成句子。
1. 那是他的绿色被子。
That is quilt.
2. 这是你的光盘吗？
this CD ?
3. 那些是她的书吗？
her books?
4. 这个书包是我的，不是他的。
This schoolbag ，not ．
5. ——这些是安娜的铅笔吗？
——不，不是。它们是戴尔的。
—Are pencils?
—No， ． ．

能力提升
根据句意及汉语提示完成句子。
1．My parents are (老师) in a middle school.
2． (感谢) you for your map.
3．The book is (关于) UFOs.
4．Can you (帮助) me?
5．Is this dictionary (你的)?
单项填空。
( )1. 当你打断别人说话时，应当先说_____
A．Sorry.　　　　　　B．How are you? C．Excuse me.
( )2. 当别人对你表示感谢，你应该说_____
A．Hello! B．Thank you，too. C．You are welcome.
( )3. The red pen is ____．And the blue pen is ____.
A．her，his B. his，her C．your，mine
( )4. —Are these your books，Tony?
—No，they aren't. They are ____．
A．Tom's　　 B．Toms'　　 C．Tom
( )5. —Is this your jacket?
—No. ____ my cousin's.
A．This B．It's C．They're
三、完形填空。
Hello！My 1 is Eric. I am in No.2 Middle School. Here 2 a photo of a watch. Is it mine？ 3 , it isn't my watch. It is my friend Lily's. She lost 4 watch in the school library this morning. It is red. Now she can 5 it. I can e­mail her about it 6 Lily658@126.com.
I found a 7 of keys in classroom on this afternoon. 8 yours？My telephone number is 536­2569.Please 9 me. You can 10 the teachers for them(他们)，too. Thank you!
( )1. A. number B. game C. name D. teacher
( )2. A. am B. are C. is D. be
( )3. A. Yes B. No C. OK D. Hello
( )4. A. his B. your C. my D. her
( )5. A. spell B. meet C. please D. find
( )6. A. of B. to C. in D. at
( )7. A. photo B. book C. set D. computer
( )8. A. That is B. Are they C. Is that D. They are
( )9. A. help B. call C. see D. excuse
( )10. A.ask B. thank C. have D. say

基础导练
一、1. mine 2. rulers 3. hers 4. his 5. They
二、1-5 BBBAD
三、1. his green　2. Is; yours 　3. Are those 4. is mine；his 
5. these Anna’ s; they aren’t; They are Dale’s
能力提升
一、1. teachers 2. Thank 3. about 4. help 5. yours
二、1-5 CCBAB
三、1-5 CCBDD 6-10 DCBBA