3 . 要找到既干净又安全的地下水喝不是那么容易。

____________________

6 . 选择合适的单词并用其适当形式填空

tea;   man;   soup;   drink;   tomorrow

1. This black _________ is from the UK.
2. The chicken _________ tastes good.
3. The _________ over there are my teachers.
4. Today is Saturday and _________ is Sunday.
5. Do you want anything (任何东西) _________?

7 . 从方框中选择合适的单词并用其适当形式填空

just     newspaper     soup     drink     use

1. I would like some tomato and egg ________.
2. A boy is ________ a pen to write on the book.
3. I’m not really busy. I am ________ reading a book.
4. Lots of books and ____________ are in the room.
5. —What is your grandfather doing?
—He’s ___________ tea in the room.

9 . Don’t d________ all your water in one go, or you will feel thirsty later.