Modals of deduction

The light in Scot's room is on. He ......................... computer games.

• must play

• must have played

• must be playing

Nobody knows exactly why he died. But we think it ................... been an accident.

• can have

• should have

• might have

Sarah looked very happy. She .............. passed her driving test.

• should have

• must have

• can't have

I can't believe Jim hasn't arrived yet. He ............. taken the wrong train.

• should have

• must have

• can have

I can't believe Jim hasn't arrived yet. He ............ taken the correct train.

• can't have

• mustn't have

• shouldn't have

A: 'The burglar broke into our home in daylight.' B: 'Then some of your neighbours ............ him.'

• might have seen

• can see

• might see

I .......... a lot as an accounting manager, but the job was just too boring.

• could have earned

• might earn

• must earn

A: 'Have you seen the cat? I can't find him.'

B: 'Have you checked under the bed? He ............... there.'

• might hid

• could have been

• may be hiding

He _______ his illness with better eating habits. But now it's too late.

• must not have prevented

• can have prevented

• could have prevented

I don't know where they went but they .............. gone to Paris or Marseille.

• must have

• can have

• could have