题目内容：

Hao much is this sweater?
（1） this sweater cost?
— — —
（2） of this sweater?
— — —
Let's walk
Let's
— — —
Each of us has a book.
We a book.
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优质解答

1.
1) (How much does) this sweater cost?
2) (What is the price) of this sweater?
2.Let's take a walk/have a walk.(将walk 作为名词,就这两个固定词组)
3.We (each have) a book.=we both have one book