问题
选择题
---- If he had been warned, he ______ that food yesterday.
---- Luckily he was sent to the hospital immediately.
A．would not take
B．would not have taken
C．had not taken
D．didn’t take
答案
答案：B
考查虚拟语气。本题是一个与过去事实相反的虚拟语气。从句使用过去完成时，主句用情态动词+have+done;句意：如果他被警告了，他就不会吃那个食物了。