4. Find the sentences with the same meaning.
1) We can leave the meeting early. A We must stay until the end. 1 D
2) We must leave the meeting early. B We couldn’t stay until the end. 2 __
3) We mustn’t leave the meeting early. C We can’t stay until the end. 3 __
4) We needn’t leave the meeting early. D We needn’t stay until the end. 4 __
5) We had to leave the meeting early. E We can stay until the end. 5 __