![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
用所给词的适当形式填空。 not do wear clean be play 1. Don’t the blackboard , there’s something important on it . 2. The questions really difficult, I don’t know the answers to them. 3. When he usually the piano? 4. John always a special costume . 5. He his homework at school, he does it at home