________ you row a boat at the age of 10?  No, but now I ________.
#75228
A
Can;can
B
Can;could
C
Could ;can
D
Could;could
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Thomas, please don’t shout loudly. The others _________ hear very well.  
#76352
A
can’t
B
mustn’t
C
shouldn’t
D
needn’t
You_____ all those calculations! We have a computer to do that sort of thing.
#63501
A
needn’t have done
B
must not have done
C
shouldn’t have done
D
can not have done
Jenny doesn’t agree with her father, but she ________ that to his face.
#63121
A
dare not to say
B
doesn’t dare to say
C
dares not say
D
dare not saying