首页 > 留学知识库

问题: 作业求助 英语单选

as the sky grew darker,it became obvious to us that the boys __to finish the game quickly if they wanted to avoid the strom.
a.have
b.would have

解答:

此题答案为B

此题是对当时情况的假设的虚拟语气条件状语从句的主句部分。

A显然不可能是正确答案。因为主语从句的主句是过去式(became),根据时态一致原则,不可能用现在时态。