改错1、you must talk while you are eating something.it's not polite.2、there are many buildings on both side of the road.

改错1、you must talk while you are eating something.it's not polite.2、there are many buildings on both side of the road. you must be something to talk you must talk to her in english You must careful.It is dangerous.改错 Who else would you like tou talk 改错 Talk about what you’ve learn about Beijing 改错 Could you please don't talk in the library?改错 You must do everthing you can help them 改错 改错When you greet with others,you must be friendly. you must not talk in the class改为祈使句. you must work hard to come true your dream改错 You must return your book back on time 改错 You must go to the doctor for an advice.改错 改错题 you must are home before ten o'clock. 改错 you must keeping quiet.don'tmaking a noises! you must give your father it this evening 求改错 you must pay to get your car repair 改错 改错you must listen thecher carefully at school