题目内容

Could you please_____ the piano so loudly? Your brother is having a rest now.
A．not to play B．not play C．don’t play D．to not play
B

试题分析：句意：请你不要这么大声的弹钢琴好吗？你的弟弟正在休息。Could you please do…请你……好吗？是提出建议和请求的句子，could是情态动词，后跟动词原形，否定形式为Could you please not do…请你不要……好吗？故选B。
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