496. I’m going shopping because I need to buy some clothes.
我想去商店，因为我需要买些衣服。
497. If this shirt doesn’t fit,may I bring it back later?
如果这个衬衫不合身，我能将它带回来吗？
498. What size shoes do you wear?
你穿多大号的鞋？
499. That suit looks very good on you.
你穿这个外套很合身。
500. This dress is made of silk,isn’t it?
这件衣服以丝绸为材料，是吗？
501. I’d like to try on this sweater.
我很想试一下这件毛衣。
502. I’m interested in buying a new car.
我很想买辆新车。
503. What’s the price of that electric iron?
那个熨斗多少钱？
504. How much is this rug?
这个地毯多少钱？
505. Is this toothpaste on sale today?
今天有牙膏卖吗？
506. That’s a beautiful leather wallet,but it costs too much.
这个皮钱夹很漂亮，但是太贵了。
507. How much do I owe you?
我欠你多少钱？
508. That will be eighteen dollars and seventy-five cents.
可能有18美元，外加75美分。
509. Do you have change for a twenty-dollar bill?
你能换开20美元的钱吗？
510. The clerk helped me find what I wanted.
这个职员帮我找到了我所需要的东西。
