students get up at six and get up at six thirty.
A. Some; other
B. Other; some
C. These; they
D. Some; others
网友回答
A. Some; other
B. Other; some
C. These; they
(答案→)D. Some; others
解析：some一些；other其它的；these这些；others其他人。句意：一些学生在六点钟起床，其他人在六点半起床。结合语境可知选D。