1.It was __ he was ill __ he didn't come to school yesterday.

问题描述:

1.It was __ he was ill __ he didn't come to school yesterday.
A.as,so B.when,that C.because,that D.for,why
为什么不是D?

[A]+[连词+B]强调句中:It is [连词+B] that [A][He didn't come to school yesterday] [because he was ill]所以就是It is because he was ill that he didn't come to school yesterday