A、$7. B、$20. C、$35. D、$42. A推断题。对话中，radio的价钱为35美元，百分之二十的税是7美元，故选A。B，C，D均不正确。

Clerk: Good morning, may I help you with something?
Anderson: No, thank you. I am just looking.
Clerk: Please feel free to look around. If I can help in any way, don’t hesitate to ask.
Anderson: I will, thanks. What is the price for this radio?
Clerk: It is forty-five dollars and eighty-nine cents.
Anderson: Is that on sale this week?
Clerk: No, that was on special last week. But this week we have another brand which is only thirty-five dollars plus an additional twenty percent tax.
Anderson: May I look at it?
Clerk: Certainly.
Anderson: Do you think this is one of the best radios that you carry?
Clerk: Well, it’s not the best, but it’s above average.
Anderson: How long is the warranty on this radio?
Clerk: We have a ninety-day warranty. Should any manufacturer’s defect occur, we will replace it without any charge.
Anderson: Oh, thirty-five dollars plus an additional twenty percent tax? Would there be a discount on it?
Clerk: No, sir.
Anderson: Well, I think I will take it.
Clerk: Anything else? We also have TVs, video recorders and many other items on sale this week.
Anderson: No, thanks. This is all for today. Here is forty-two dollars with the tax. By the way, where is the ladies’ clothing department?
Clerk: Go straight down and turn right on aisle No. 6.
Anderson: Thank you.
Question 6
Which of the following is appropriate for the radio the man buys?
(pause: 10 seconds)
Question 7
How much tax does the man have to pay for the radio?
(pause: 10 seconds)
Question 8
How long is the warranty on the radio?
(pause: 10 seconds)
Question 9
How much does the man pay for the radio?
(pause: 10 seconds)
Question 10
What else is the man likely to buy?