I could not have fulfilled the task in time if it ______ for your help.A、had bee

游客2023-10-11 27

问题 I could not have fulfilled the task in time if it ______ for your help.

选项 A、had been
B、has been
C、was not
D、had not been

答案 D

解析本句为虚拟句，从句中表示与过去事实相反的假设时，须用过去完成时。

转载请注明原文地址:https://tihaiku.com/zcyy/3089999.html

相关试题推荐

随机试题

最新回复(0)

Allofourfourobjectivesofthistriphavebeenfulfilled,whichismorethan