题目

根据关键词写出一个完整的句子 （1） working ；but ；singing； loudly；I ；she(.) （2） she ；he ；swimming；and ；too(.) （3） watching TV ；ringing  my mother ；but；doorbell(.) （4） having breakfast ；phone ；but ； I；ringring(.) 答案： I am working but she is singing loudly. She is swimming and he is swimming, too. My mother is watching TV but the doorbell is ringing. I am having breakfast but the phone is ringing.

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