这些句式你掌握了吗?按要求改写下列句子。 1. We go to work by bus every day.( 就画线部分提问) ____ ____ you go to work every day? 2. I know how to say those things in a report.( 改为同义句) I know how ______ ______ say those things in a report. 3. We bought her some presents. (改为否定句) We didn't______ ______ presents for her. 4. Why don't you put on your hat? (改为同义句) ______ ______ put on your hat? 5. Don't leave anything behind.( 改为反意疑问句) Don't leave anything behind,_____ ______ ? 6. Tom will return in an hour . (就画线部分提问) _____ _____ will Tom return? 7. He is young. He can't go to school. (改为同义句) He is _____ young ______ go to school. 8. Can I help you? ( 改为同义句) ____ ____ I ________ for you?