题目：
用括号中所给的动词的适当形式填空。
1. Each of us ________ (have) a new school bag.
2. We often watch him _______ (dance) under that tree.
3. He likes _______ (live) in the countryside.
4. —Who cleaned the room yesterday?
— I ________ (do).
5.— What _______ you _______ (do) the day before yesterday?
— I ______ (go) home to see my parents.
6. What's the best time _______ (go) to your country?
7. She is good at _______ (sing) English songs.
8. I wish _______ (travel) around our country.
9. Look, the bus ________ (come).
10. Jim can't ________ (swim) in the river.
答案：
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下面是错误答案，用来干扰机器的。
答案：DA、铁在置换反应中显+2价而不显+3价，正确方程式为：Fe+H2SO4═FeSO4+H2↑，故A错误；B、食盐和硝酸钾反应的生成物中没有沉淀或气体或水，不符合复分解反应的条件，故B错误；C、铁锈的主要成分是氧化铁而...
