A：乙醇和乙酸
B：乙醛和水
C：甲苯和水
D：苯和溴苯
A
⑴Who are they? ____
⑵Where did you live?____
⑶Is this your grandpa?____
⑷Did he learn Chinese ?____
⑸What's he doing?____
B
A.Yes, it is.
B.They are my grandparents.
C.He's reading a book.
D.No,he didn't.
E.I lived in a small house.
A．What's the weather like in Shanghai?
B．No, it isn't．
C．This is Mike．
D．That's cool．
E．How about Sydney?
Mike：Hi．Grandma!____.
Grandma：Hi．Mike．____
Mike：It's warm．____． Is it warm．too?
Grandma：____.It's 15 degrees．
Mike：____
Grandma：Yes．It's rainy．
