1. 选出适当的词，完成句子。

goesdown     sweet and sour   apple juice  play together    hard and big

1. （1） —Touch the elephant, Mike. How does it feel?
   —It's   .

3. （2） —Let's  .
   — OK.

5. （3） —Taste the grape juice, Alice. How does it taste?
   —It's .

7. （4） — What do you want to drink?
   —I want some  .

9. （5） —The sun   in the evening.
   —Yeah, my shadow is long.