Question

The reason ____ he was late for school was _____he had to send his mother to a hospital.

A．that; why

B．why; because

C．why; that

D．that; because

Answer 1

C

试题分析：句意：他为什么会上学迟到的原因是他不得不送妈妈去医院。第一空填why。引导定语从句，先行词是reason，定语从句中缺少原因状语，第二空填that，连接表语从句，当主语是the reason的时候，表语从句用that连接，所以选C。