问题
选择题
It is ________ the pupils do in their spare time ________ really prepares them to take their place in society as citizens when they grow up.
A．which; that
B．that; what
C．what; that
D．that; which
答案
答案：C
C 考察主语从句和强调句型。第一空是主语从句，do后面缺少宾语，使用what，第二空是强调句型，使用that。