—Could you please come to the museum with me this afternoon?—Sorry,I ________.I have to take a piano lesson at 2 pm.
#78166
A
couldn’t
B
mustn’t
C
can’t
D
needn’t
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He failed in the driving test again. He         .
#62842
A
must have disappointed
B
must have been disappointed
C
might be disappointed
D
couldn’t be disappointed