Robert failed to complete his education____ he found it hard to focus on his stu

题干

Robert failed to complete his education____ he found it hard to focus on his studies.

A．although

B．if

C．because

D．while

上一题下一题 0.64难度单项选择更新时间:2012-10-18 09:16:09

小学学科试题库

初中学科试题库

高中学科试题库