15. Are you pleased with the performance?----- Not at all. It couldn’t have beenA. worseB.

发布时间：2020-08-16 13:09:53


15.     Are you pleased with the performance?
----- Not at all. It couldn’t have been    
A. worse
B. so better
C. better
D. the worst

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(答案→)A. worse
B. so better
C. better
D. the worst
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