题目

Could I speak to          is in charge of International Sales please?A. who                                                                 B. whatC. whoever                                                           D. whatever  答案：C。解析：whoever既作了 to 的宾语，又作is in charge of International Sales please?的主语。“whoever”作代词，／any person who／the person who／“任何人”、“无论谁”、“……的人”。15．-（-1$\frac{1}{3}$）的绝对值的倒数是$\frac{3}{4}$．