电子课本网 第19页

第19页

信息发布者:
A
B
C
C
A
2
3
6
4
1
5
A
B
B
A
【示例】
1.Yes,I do.
   /No,I don't.
2. It is an apple.
3. They are bananas.
4. It is very nice.
5. Yes,please.
    /No,thanks.