成人英语三级考试

【单选题】Mr. Hal! understands that ______ maths has always been easy for him, it is not easy for the students.


A．unless
B．since
C．although
D．when

网考网参考答案：C
网考网解析：
本题中的两个从属连词that和although, that引导宾语从句，although引导宾语从句中的状语从句。 查看试题解析出处>>