Who was it_out the secret?

问题描述:

Who was it_out the secret?
A whom let B that kept C that let D to let
强调句特殊疑问句.问的内容就是强调的内容,那难道不是应该是who let~

同学,强调句中只有that 和who
1.强调人用that或who
2.其余一律用that