Slide 1 of 4

Choose 'have to', 'mustn't' or 'should'.

All passengers ______ show a valid passport or an identity card to go on board.

  • have to

  • mustn't

  • should

Candidates _____ talk to each other during the interview. They are not allowed.

  • mustn't 

  • should

  • have to

GPs agree: Children ____ always eat their vegetables.

  • have to 

  • mustn't

  • should

Solution
Question 1

Choose 'have to', 'mustn't' or 'should'.

All passengers ______ show a valid passport or an identity card to go on board.

have to

Question 2

Candidates _____ talk to each other during the interview. They are not allowed.

mustn't 

Question 3

GPs agree: Children ____ always eat their vegetables.

should