4．—Where is Mrs. White?
—She's at school. She __________________________ (teach) her class now.Ⅲ. 补全对话，方框中有两项是多余的。
A.What about you?
B.Who's that?
C.But my mother is busy now.
D.Can you tell Frank to call me back (回电话)？
E.How is your father?
A：Hello. This is Alan speaking. 1. _____________
B：Hi, Alan. It's Daniel. I want to speak to Frank.
A：2. _____________
B：Does he usually make dinner for your family?
A：No, he doesn't. 3. _____________ She is taking care of(照顾) my sister. B：4. _____________
A：He is reading a book.
B：You are all very busy. 5. _____________
A：OK. Bye !
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