Question

【题目】The reason I have to go is my mother is ill in bed.

A. why...why B. why...because

C. that...because D. why...that

Answer 1

【答案】D

【解析】

试题分析：本题考查从句，第一空为定语从句，先行词reason在从句中做原因状语，所以用引导词why或for which；第二空为is后面的表语从句，解释原因，所以用引导词why。