Sir, you ______ be sitting in this waiting room. It is for women and children only. 
#87994
A
oughtn’t
B
shouldn’t
C
won’t
D
needn’t
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He hesitated for a moment before kicking the ball, otherwise he ______ a goal. 
#90281
A
had scored
B
scored
C
would score
D
would have scored
Tom hurried to school only to find that there was none because it was Sunday and he _____to school.
#87696
A
couldn’t have gone
B
needn’t have gone
C
mustn’t go
D
needn’t go
―Why? Where is the key to the sound lab? ―Dear me! You _______ it in the taxi!
#89994
A
have never left
B
never left
C
haven’t left
D
didn’t leave