问题
选择题
. ______ the ancient Egyptians built the pyramids puzzled people for centuries.
A．Whether
B．What
C．How
D．Where
答案
答案：C
搜题请搜索小程序“爱下问搜题”
. ______ the ancient Egyptians built the pyramids puzzled people for centuries.
A．Whether
B．What
C．How
D．Where
答案：C