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1. she, the window, open, now. (用現(xiàn)在進行時連詞成句)
    ____________________________________________________
2. is, who, the window, cleaning? (連詞成句)
    ____________________________________________________
3. She is closing the door now. (改成否定句)
    ____________________________________________________
4. You are doing your homework. (用"I"作主語改寫句子)
    ____________________________________________________
5. they, the tree, sing, now, under. (用現(xiàn)在進行時連詞成句)
    ____________________________________________________

The boy is playing basketball.    
1. 否定句：_______________________    
2. 一般疑問句：________________________    
   1) 肯定回答：_______________________    
   2) 否定回答：_______________________
3. 對 "The boy" 提問: ______________________

1. They are cleaning the window. (改為一般疑問句)
    _____________________________________________?
2. Tom is working. (改為一般疑問句)
    _____________________________________________?
3. Jim is singing. (改為否定句)
    _____________________________________________
4. Kate is dancing. (對畫線部分提問)
    _____________________________________________?
5. She is sitting near the window. (對畫線部分提問)
    _____________________________________________?