阅读理解 Tom likes chocolate very much, but his mother doesn't give him. It's bad for his teeth, she thinks. But Tom has a very nice grandfather. The old man loves his grandson very much and sometimes he buys some chocolate for Tom. Then his mother lets him eat it because she wants to make the old man happy. One Sunday evening, it's Tom's birthday. He says,'Please, God, let them give me a hig box of chocolate for my birthday.' His mother says, 'God can't hear you. Don't shout.' 'I know,' says the clever bov with a smile. 'But grandfather is in the next room, and he can.' 根据短文内容，回答下列问题。 1. Why does Tom's mother not give him chocolate? ____________________________________________ 2. Does 'rom's grandfather love Tom? ____________________________________________ 3. Why does Tom's mother let him eat chocolate sometimes? ____________________________________________ 4. What day is Tom's birthday? ____________________________________________ 5. Who does Ton want to hear his words? ____________________________________________