Mr. Brown is 70 this year. Although he is very old, he works very hard. A. andB. butC. so

发布时间：2020-08-20 15:01:36

Mr. Brown is 70 this year. Although he is very old,      he works very hard.
A. and
B. but
C. so
D. /

网友回答

A. and
B. but
C. so
(答案→)D. /
解析：考查连词although用法。Although“虽然 --- 但是 ---”受汉语影响容易错选 but
以上问题属网友观点，不代表本站立场，仅供参考！