Saleswoman: Can I help you? 
Jim: Oh, yes. How much is this T-shirt?
Saleswoman: It's only $ 29.50. 
Jim: Really? Is it on sale?
Saleswoman: Yes. It's usually $45.00. But only at the weekends, everything is at a very good price. 
Jim: OK. I'll take two T-shirts for my twin sons.
Saleswoman: What colour do they like? 
Jim: Blue.
Saleswoman: Oh, I'm so sorry. We haven't any blue ones left. How about the green ones? 
Jim: All right. Here's the money.
Saleswoman: Thanks. Here's your change (零钱).

1. Two sweaters are ______ on Monday. 

A. $28.00  
B. $45.00  
C. $90.00  
D. $56.00

2. The meaning of the phrase "on sale" is ______.   

A. 减价销售  
B. 正常营业  
C. 非卖品  
D. 高价回收

3. They are talking ______.

A. in a shop  
B. at home  
C. in a school  
D. in a hospital

4. At last (最后) Jim buys two ______ for his sons.  

A. blue sweaters                          
B. green T-shirts  
C. white jeans                          
D. yellow skirts

5. If Mary buys three ______ on Saturday here, they will cost (使……花费) her $60.00.

A. sweaters     
B. T-shirts      
C. skirts    
D. jeans