介绍:
Keys
一、CCAABBD
二、
1.speaking
2.swim
3.do(to do)
4.is
5.washing
6.loud(loudly)
三
1. are cleaning the house
2. writing (a letter)to my friend
3. is talking on the phone
4. is playing basketball;playing basketball
5. Where are from?
大家还在听
