I can’t get my car on cold mornings，so I have to try the radiator with some hot water.
A. run；to fill
B. running；filling
C. running；to fill
D. ran；filling
网友回答
A. run；to fill
(答案→)B. running；filling
C. running；to fill
D. ran；filling
解析：get my car running意为“使我的车发动起来”;try doing表示“试一试做某事的办法”;try to do意为“努力去做某事”。