题目

计算(-2)-6的结果等于______ 答案：【答案】-8.【解析】原式利用减法法则变形，计算即可得到结果．原式=（-2）+（-6）=-8.故答案为：-8.— Who’s singing in the next room?— It ____ be her . She has gone to New York.A．can’tB．mustC．shouldn’tD．can