英语选择解释一下the mother put a blanket over her baby

问题描述:

英语选择解释一下the mother put a blanket over her baby
The mother put a blanket over her baby for fear that he () catch a cold.
A.would B.should (就两个选择,
全都不对啊 正确答案是B 所以才疑惑

A ,其实这里的put是过去式,如果是一般现在时应该加S,所以可以说明整个句子是过去时.再根据意思判断,这里是说明天将会感冒,而不是用应该.