三、用所给单词的适当形式填空。
1. Yoyo ______ (remove) the chair before she went away.
2. I ______ (realize) I made a mistake later.
3. There ______ (be) much rain outside last night.
4. He ______ (create) a new kind of toy last year.
5. After trying several ways, they ______ (final) found the solution.

finally

四、按要求完成句子,每空一词。
1. Lucy did her homework this afternoon. (改为否定句)
Lucy ______ ______ her homework this afternoon.
2. I cleaned the room last weekend. (对画线部分提问)
______ ______ you ______ last weekend?
3. The weather was terrible yesterday. (对画线部分提问)
______ ______ the weather ______ yesterday?
4. My holiday was great. (对画线部分提问)
______ ______ your holiday?
5. My mother bought me a skirt last Saturday. (改为同义句)
My mother bought a ______ ______ ______ last Saturday.

skirt for me

五、根据汉语意思完成句子,每空一词。
1. 这些东西通常太小以至于看不见。
These things are usually ______ ______ ______ ______.
2. 我以前认为获取干净的水很容易。
I ______ ______ ______ it was easy to get clean water.
3. 我没有意识到它这么难。
I ______ ______ it was so hard.
4. 工厂把污水变成干净的水。
The plant ______ dirty water ______ clean water.
5. 它让我想起一句话：“粒粒皆辛苦。”
It ______ me ______ ______ the saying, “Every grain ______ from hard work”.

1. too small to see
2. used to think
3. didn't realize
4. turns; into
5. reminds; of; comes