— Catherine, I have cleaned the room for you. — Thanks. You ______ it. I could manage it myself. 
#90498
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done
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I should very much like to have gone to the party, but ______. 
#87309
A
I'm not invited
B
I won't be among the invited 
C
they won't invite me
D
they didn't invite me
You have a big mouth,Tom. You        have told everybody the secret.
#87700
A
shouldn’t
B
mustn’t
C
can’t
D
mightn’t