填空题。
1. We can use water to
_______.
2. 和this相对的是
______。
3. —
_____ do we use water？ —We use water to wash clothes.
4. Water comes from the
_____.
5. I’m up
____ the sky. （填上合适的介词）
6. I can
______ with water.
7. We’re
______ .We need water.
8. He says
_____.（happy）
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