问题
选择题
__________ she couldn't understand was__________ fewer and fewer students showed interest
in her lessons.
A．What; why
B．That ; what
C．What ; because
D．What;which
答案
答案：A
本题是主语从句和宾语从句的共同考查。what引导主语从句，同时充当understand的宾语。why引导定语从句。