用所给词的适当形式填空.
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用所给词的适当形式填空.用所给词的适当形式填空. 用所给词的适当形式填空.1areswimming2aredoing3eating4dancing5Isdrinking6isn''tdoing
用所给词的适当形式填空.
用所给词的适当形式填空.
用所给词的适当形式填空.
1 are swimming
2 are doing
3 eating
4 dancing
5 Is drinking
6 isn't doing
7 is having
8 singing sing sings