—MygrandpalearnsEnglishfortwohourseveryday,　　　　heisove...

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