设E1单元格中的公式为=A3+B4，当B列被删除时，E1单元格中的公式将调整为（）。

A. How do you like your computer? B. What do you usually use your computer for? C. Because it is fast and easy. D. Do you have a computer at home? E. How often do you use your computer?

A: _______(61)
B: Yes, I have one. It’s a birthday from my uncle.
A: ________(62
B: I usually use it to search the Internet.
A: Why?
B: _________(63)
A: _________(64)
B: Every day.
A: _________(65)
B: I like it very much. It’s very useful