问题
选择题
The traditional view is_____we sleep because our brain is" programmed" to make us do so.[ ]
A. when
B. why
C. whether
D. that
答案
答案：D
搜题请搜索小程序“爱下问搜题”
The traditional view is_____we sleep because our brain is" programmed" to make us do so.[ ]
A. when
B. why
C. whether
D. that
答案：D