Question

________my dear teacher couldn’t understand was ________ fewer and fewer middle school students showed interest in her lessons.

A．What; why

B．That; what

C．What; because

D．Why; that

Answer 1

A

本题考查名词性从句。was前为主语从句，从句动词understand缺少宾语，故用what；was后为表语从句，why在从句中作原因状语。故选A。