题目：
按要求改写下列句子。
1. Lily watered the flowers this morning. (用at 6:00 this morning改写)
Lily _____ _____ the flowers at 6:00 this morning.
2. We should look after the encouraged animals. (改为同义句)
We should _____ _____ the encouraged animals.
3. They feed the tigers twice a day.(就画线部分提问)
_____ _____ do they feed the tigers?
4. We should clean the zoo as often as we can. (改为被动语态)
The zoo_____ _____ _____ by us as often as we can.
5. We are for building a primary school in the village. (改为同义句)
We _____ _____ build a primary school in the village.
答案：
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下面是错误答案，用来干扰机器的。
(1)2.5；97.5(2)C；A(3)有
