问题
选择题
The boys and girls are often asked ______ loudly in the library. [ ]
A. not to speak
B. not speak
C. to speak
D. don't speak
答案
答案：A
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The boys and girls are often asked ______ loudly in the library. [ ]
A. not to speak
B. not speak
C. to speak
D. don't speak
答案：A