Which sentence hasn't got the same meaning of the others? ...

★ Modals for Advice, Obligation/Prohibition, Necessity and Lack of Necessity

Which sentence hasn’t got the same meaning of the others?

A. It is forbidden to use this exit except in an emergency.

B. You can’t use this exit in an emergency.

C. You mustn’t use this exit except in an emergency.

D. You must use this exit only in an emergency.

Preview next quiz:

Which answer is incorrect? ‘Should Alan go on Big Brother?’ ‘_______’

A. Yes, he should.

B. Yes, he ought to do it.

C. No, I don’t think he should.

D. No, I think he oughtn’t.