按要求做题。 1. I have got a new doll. (改为否定句) _____________________________ 2. Has Sam got a new bike? (作否定回答) _____________________________ 3. She goes to school by bike . (就画线部分提问) _____________________________ 4. I go to school by bus. (将I改为My father改写句子) _____________________________ 5. Have you got a pen? (作肯定回答) _____________________________