You must follow the directions exactly and if you become _____, you must take the time to go back again and reread them.
举一反三
- If you take a ____ and fail, you must try again and again.
- 中国大学MOOC: You may deposit the prohibited items at the airport, but you must take it back within _________ days.
- --Must I be in hospital for a week,doctor?---No,you（）.You can go back home tomorrow. A: must B: need C: needn’t D: mustn’t
- ____John ____ Jack may go with you because one of them must stay at home.
- You must call ___ next time you are in town.