When I am free on Sunday, I often drop in my grandparents.
A. give a ride to
B. give up visiting
C. forget to visit
D. e over to
网友回答
A. give a ride to
B. give up visiting
C. forget to visit
(答案→)D. e over to
解析：give a ride to搭车去；give up visiting放弃访问；forget to visit 忘了去拜访；e over to过来，顺便来访。句意：当我在周日有空时，我常常顺便来访问我的爷爷奶奶。结合语境可知选D。