将下列句子改为同义句。 1. Do you know how I can get to the hospital? Do you know ______ _____ _____ to the hospital? 2. She was very excited at the news. She couldn't say a word. She was _____ excited at the news_____ _____ a word. 3. It took him three days to go over his lessons. He______ three days____ _____ over his lessons. 4. Mother allows me to go out before 9 o'clock at night. I ______ _______ _______ ______ out before 9 o'clock at night. 5. You are really nice. You help me a lot. ______ really nice____ _____ to  help me a lot,