______, we shall go on a picnic.A、If the weather were fineB、Were the weather to

游客2023-11-17  26

问题 ______, we shall go on a picnic.

选项 A、If the weather were fine
B、Were the weather to be fine
C、Should the weather be fine
D、Had the weather been fine

答案 C

解析 该题是语法结构题,考查虚拟语气的用法。虚拟语气用在非真实条件状语从句中表示与将来事实相反时,该从句中的谓语动词可以用三种方式表达:动词过去式、were to do、should+动词原形。那么,选项D首先可以排除掉。如果用选项A或选项B,主句谓语动词也要发生相应的变化。但是该题主句的谓语动词是陈述语气,没有用虚拟语气,此时,只有使用should+动词原形的条件句才能与陈述语气或祈使语气的句子共同使用,如:If there should be another flood.what shall we do?如果再发一场大水,我们怎么办?因此,根据题意和语法规则,选项C为最佳答案。
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