12. ----Did Jack take the doctor’s advice that he in bed for a couple of days?
----If only he .
A. lies; does
B. lay; did
C. lie; did
D. lie; had
网友回答
A. lies; does
B. lay; did
C. lie; did
(答案→)D. lie; had
解析：考查动词用法和虚拟语气。句意：---杰克是否采纳了医生的建议，在家里躺了几天？---要是他真那样做就好了。第一空考查advice的同位语从句，用should+动词原词，should可以省略所以选lie，第二空If only后表示虚拟，与过去事实相反选择had done。