I really (must / mustn't) do more exercise. l'm so unfit.

Complete with: must - shouldn’t - have - doesn’t have - should - mustn’t ::::::::::: I .... to go for a second interview before they decide if I can study there.

Complete with: must - shouldn’t - have - doesn’t have - should - mustn’t ::::::::::: You .... carry any heavy things after the operation. It would cause serious damage to your heart.

I think you (shouldn't/should) study harder. Your exam results weren't very good.

Complete with: must - shouldn’t - have - doesn’t have - should - mustn’t ::::::::::: You .... arrive fifteen minutes early for a job interview if you want to make a good impression.

Complete with: must - shouldn’t - have - doesn’t have - should - mustn’t ::::::::::: He .... take risks with other people’s money. He could lose his job.

I (have to / mustn't) call my mother today. lt's her birthday.

Complete with: must - shouldn’t - have - doesn’t have - should - mustn’t ::::::::::: She’s very lucky. She .... to work at weekends.

I (shouldn't/don't have to) waste so much time on the computer. I'll never finish my work.

l'm lucky because I (don't have to / shouldn't) get up early in the morning. l'm a student.

You (should/mustn't) be afraid of taking risks, or you will never live your dreams.

Complete with: must - shouldn’t - have - doesn’t have - should - mustn’t :::::::::::  I .... get up early tomorrow. I have a breakfast meeting at 7.30.