从方框中选择最佳选项完成对话，有两项多余

a. That's OK.

b. Because it is fast (快的) and easy.

c OK, then click "save" again.

d. I like it very much.

e. Yes, I have one.

f. How often do you use your computer?

g. What do you usually use your computer for?

A: Do you have a computer at home?

B: It's a birthday present from my uncle.

A:

B: I usually use it to surf (冲浪) the Internet.

A: Why?

B:

A:

B: Every morning.

A: How do you like your computer?

B: It's very useful.