牛牛写字,写来写去总是很慢,“对了,一定是爷爷看电视影响我了。”牛牛让爷爷关掉电视。牛牛开始写字了,写来写去还是写得慢。“对了,一定是爸爸、妈妈在客厅说话影响我了。”牛牛让爸爸、妈妈不要说话。牛牛开始写字了,写来写去还是很慢。“对了,一定是爸爸走来走去干活影响我 It's always slow to write and write, “Yes, it must be my grandfather watching TV affect me.” Beef cattle began to write, write to write or write slowly. “Yes, it must be my father, my mother in the living room to speak to affect me.” Beef cattle father, mother do not speak. Beef cattle started writing, writing to write or very slow. "Yes, it must be my father walking around to work affect me