问题
选择题
________， he came to know how great his mother was.
A．From then on
B．From now on
C．Since then
D．Ever since
答案
答案：A
答案 A [考查时间状语。从后面的过去时可知是从那时起，而C选项后面要用完成时。]
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________， he came to know how great his mother was.
A．From then on
B．From now on
C．Since then
D．Ever since
答案：A
答案 A [考查时间状语。从后面的过去时可知是从那时起，而C选项后面要用完成时。]