His grandfather and grandmother Chongqing for 40 years. They like living there.
A. have been in
B. have been to
C. have gone to
D. have moved to
网友回答
(答案→)A. have been in
B. have been to
C. have gone to
D. have moved to
解析:本题意思是他的爷爷奶奶已经在重庆呆了四十年,谓语动词应是持续性动词,从时间状语来看,本题为现在完成时态,所以选A。