问题补充:
It is years I last visited the mine . I wonder how things are getting on there .
A. before
B. when
C. until
D. since
答案:
A. before
B. when
C. until
(答案→)D. since
解析:可联系答.案.网客服索取。
时间:2023-06-15 02:37:25
It is years I last visited the mine . I wonder how things are getting on there .
A. before
B. when
C. until
D. since
A. before
B. when
C. until
(答案→)D. since
解析:可联系答.案.网客服索取。