.
--- I hear you at Smith’s.
--- Yes, I there for about three months.
A. work; had been working
B. worked; was working
C. are working; have been working
D. worked; have worked
网友回答
A. work; had been working
B. worked; was working
(答案→)C. are working; have been working
D. worked; have worked
解析:可联系答.案.网客服索取。