问题描述:
英语关于before的单选
Someone called me up in the middle of the night,but hang up _______ I could answer the phone.
A.as B.before
为什么选B不选A,我觉得用as也可以理解
Someone called me up in the middle of the night,but hang up _______ I could answer the phone.
A.as B.before
为什么选B不选A,我觉得用as也可以理解
问题解答:
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