题目内容
28、_____ I could express my thanks to the traveler, he had already disappeared in the rain.
A.Before B.When C.Until D.While
试题答案
28、A
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题目内容
28、_____ I could express my thanks to the traveler, he had already disappeared in the rain.
A.Before B.When C.Until D.While
试题答案
28、A