按照要求改写下列句子。 (5分.每题1分): (1)Go straight on ! (改为否定句) straight on! (2)My favorite food is hot dog. (变同义句) I ______ hot dog ______. (3)I will stay in Shanghai for two weeks. (就划线部分提问) ______ ______ will you stay in Shanghai? (4)There are four books on the table. (就划线部分提问) _____ _____ books _____ _____ on the table? (5)They read English every day . (就划线部分提问) ______ ______ do they read English?