We have a lot of work tomorrow. You --- be late., mustn’t, don't have to, have to, The museum is free. You --- pay to get in., doesn't have to, mustn't, don’t have to, John's a millionaire. He --- go to work., don't have to, needn't to, needn’t, I --- do my washing because my mother did it for me., didn’t have to, have to, needn't to, She --- do this work today, because she can do it tomorrow., don't have to, doesn’t have to, mustn't, Does your dad --- pay to see the doctor?, have to, has to, must, In order to log on to the Internet, Sally --- enter her user I.D., have to, must, don't have to, According to the law, drivers --- stop at stop signs., have to, has to, mustn't, My mum --- go to work because there was an emergency., needn't, mustn't, had to, I'm sorry, Mom. I --- call you back later. My cell phone battery is dying., will must, has to, will have to.

New Horizons - B1+ - Grammar - Lesson 19 - Practice 1

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