You ______ the manager anything. It was none of his business.
A: needn't have told
B: needn't tell
C: mustn't have told
D: mustn't tell
                    A: needn't have told
B: needn't tell
C: mustn't have told
D: mustn't tell
举一反三
- You ___ him the bad news, otherwise he would not be so upset. A: must have told B: might not have told C: needn’t have told D: mustn't have told
 - You ______ all the trouble had you known he was not there. A: mustn’t take B: mustn’t have taken C: needn’t have taken D: needn’t take
 - You __________ tell anybody about this―it's a secret. A: can't B: mustn't C: needn't
 - You tell anybody about this — it's a secret. A: can't B: mustn't C: needn't
 - I should have told you! You ______ the entire house. Our cleaning lady phoned she's coming tomorrow. A: didn't need to clean B: needn't have cleaned C: don't need to clean D: mustn't have cleaned
 
