根据句子意思和汉语提示完成句子.
1. A: _____ _____ _____ _____ (你怎样做) a banana smoothie?
B: _____ (首先) peel three bananas, then _____ _____ (切) the bananas.
2. A: Let's _____ _____ _____(做水果沙拉).
B: OK, _____ _____ (好主意).
3. A: _____ _____ (多少) apples do we _____ (需要).
B: Let me think. We need two.
4. A: I want to buy _____ _____ (一些蛋黄酱).
B: _____ _____ (多少) mayonnaise do you need?
A: One _____ (茶匙).
