问题
选择题
______ students should be given more free time is suggested by many experts and welcomed by kids in school．
A．What
B．Why
C．Whether
D．That
答案
答案：D
考查名词性从句中的主语从句。That在从句中什么成分也不做，只起一个连词的作用。题中的句子为students should be given more free time，不缺少成分，所以用that引导主语从句，故选D。