问题
单项选择题
—May I listen to the music here,Mr. White
—Sorry, you'd better______it like that.
A. not to do
B. not do
C. don't do
D. not do to
答案
参考答案：B
解析： I tad better后接不带to的动词不定式，其不定式否定应为not do sth．故选B。
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