—MygrandpalearnsEnglishfortwohourseveryday,　　　　heisover...

问题详情：

— My grandpa learns English for two hours every day, 　　　　 he is over 70.

           — Really? We should learn from him.

         A. because          B. although         C. since       D. as

【回答】

B

知识点：连词

题型：选择题