问题补充：
We’re to listen to her voice. It’s to hear her sing.
A. pleased; pleasing; pleasure
B. pleased; pleasant; a pleasure
C. pleasing; pleased; a pleasure
D. pleasing; pleasant; pleasure
答案：
A. pleased; pleasing; pleasure
(答案→)B. pleased; pleasant; a pleasure
C. pleasing; pleased; a pleasure
D. pleasing; pleasant; pleasure
解析：考查形容词辨析。修饰人用ed结尾的形容词；修饰物用ing结尾的形容词。根据we排除C、D；pleasant“令人愉快的”；pleasure指“令人高兴的事”时，是可数名词。故选B。
