题目内容
____Millie sat down on the sofa, Andy came into the room.
A. As B. While C. Until D. During
A
________ Millie sat down on the sofa, Andy came into the room.
As
While
Until
During
Jim came into the room ______ Millie sat down on the chair last night.
A. as B. while C. when D. since
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