问题
选择题
If you ________ home without a word, your parents wouldn't be so worried now.
A.didn't leave
B.couldn't have left
C.hadn't left
D.shouldn't leave
答案
答案:C
C 考察虚拟语气。句义:如果不是你不说有句话就离开,你父母现在也就不会如此着急了。本句是一个混合虚拟语气,if从句是对过去事情的假设,所以从句谓语动词使用had done的学生,而逐渐是对现在事情的假设,故主句的谓语使用would do的形式。