问题
选择题
The reason_______ he didn’t come was _______ he was injured.
A．that; because
B．why; that
C．why; because
D．that; that
答案
答案：B
考察连词，第一空为定语从句，先行词reason 在从句中充当原因状语，所以选择why,第二空是表语从句，从句中不缺少成分，所以选择that
句意为，他不能来的原因是他受伤了。