问题描述:
he got the highest marks in the exam.it was all___he has worked too hard.
A,why
B,which
C,that
D,because
说明理由,
到底是什么?
A,why
B,which
C,that
D,because
说明理由,
到底是什么?
问题解答:
我来补答展开全文阅读