题目

“ ______ I take the magazine out of the reading room?” “ Sorry, you _____.” A. May; mustn’t                          B. Must; can’t C. will; didn’t have to                  C. Can; aren’t able to 答案：A下列各式中，商是混循环小数的是（　　） A、5÷9B、3÷11C、7÷12