1.The party last night was _______ success. We sang and danced until it came to _______ end at 12:00.
A. a; an B. a; the C. the; an D. /; an
2. — Your mother won’t like this dress, you know.
— ________ I don’t care what she thinks.
A．How come? B．So what? C．So why? D．So how?
