根据对话内容，从下面方框中选出恰当的句子补全对话。
A: What can I do for you?
B: 1.
A: This way,please. 2.
B: I don't like black. Do you have sweaters in other colors?
A: Other colors? 3.
B: Can I try on the yellow one?
A: 4.
B: Look at the price. It's 289 yuan. That's too much.
A: 5.There is a sale on today. Everything is half price.
B: OK. I'll take it.
1. B 根据问句“我能帮你做点什么吗？可知，所缺的答语是B，该句的含义是“我想买件毛衣”。
2.A 根据答语“我不喜欢黑色”可推断，所缺的句子是A。
3.E 根据问句“你们有其他颜色的毛衣吗？”可知，所缺的句子是E。
4.D 根据设空处前的“我能试试那件黄色的吗？”可知，所缺的句子是D。
5. C 根据设空处前的“那太贵了”以及设空处后的“今天特价，所有东西都半价”可知，所缺的句子是C。
—______ is the crayon?
—It's 5 yuan.
How many
How much
What color
What size
根据“5元”可知，问句问的是“蜡笔多少钱？”故 how much 符合题意，故答案为B。
—Look,Linda. The flowers in our classroom came out in one night.
—I can't believe it. They are beautiful and colorful. They _______ great.
sound
smell
taste
本题考查感官动词的用法。根据题干中“我们教室里的花一夜之间就开了”可推断，它们“闻起来”很香，故所缺的词是smell，答案为B。