问题
选择题
In this school, ______ students work very hard, ______ they are very happy.
A．although, /
B．although, but
C．/, although
D．but, although
答案
答案：A
考察关联词的使用。关联词不能两个连用，排除BD。Although放在句首
句意：在这个学校里，尽管学生们努力学习，但他们依然很开心。前后转折，故选A