欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

______ the ancient Egyptians built the pyramids puzzled people for centuries.

A．Whether          B．What             C．How             D．Where

. ______ the ancient Egyptians built the pyramids puzzled people for centuries.

______ the ancient Egyptians built the pyramids puzzled people for centuries.

　A. Whether                    B. What       

  C. How                        D. Where

______ the ancient Egyptians built the pyramids puzzled people for centuries.

　A. Whether     B. What             C. How                 D. Where

. ______ the ancient Egyptians built the pyramids puzzled people for centuries.

　 A. Whether                B. What              C. How                    D. Where

______ the ancient Egyptians built the pyramids puzzled people for centuries.

　 A. Whether                B. What              C. How                    D. Where