Ⅳ. Read and number. (给下列句子重新排序，组成一段完整的对话。)
()It's six yuan. How many sandwiches do you want?
()OK. Eighteen yuan, please.
()Here you are.
()I want three.
()Excuse me. How much is the sandwich?

2 4 5 3 1

Ⅴ. Read and judge. (阅读对话，判断句子正“T”误“F”。)
Lily: Look! I have some new pencils and crayons.
Mike: Oh, how many new pencils do you have?
Lily: I have fifteen new pencils and twenty new crayons.
Mike: But I see only twelve new crayons on the book.
Lily: The others(其他的) are in my bag, under the ball.
Mike: Oh, I see. Can I use your new crayons, please?
Lily: Sure. Here you are.
Mike: Thank you.
()1. Lily has twelve new crayons.
()2. The twelve new crayons are under the chair.
()3. Lily has fifteen new pencils.
()4. Twelve new crayons are in Lily's bag.
()5. Mike wants to use the new crayons.

1. F 2. F 3. T 4. F 5. T