Is Mrs White in the office?Yes,_she is on duty,she must be h

Is Mrs White in the office?Yes,_she is on duty,she must be here.
A.since B.until C.while D.if
那D呢如果也讲的通 C也有当的意思

lesliefang 1年前已收到4个回答举报

醉乡路稳幼苗

共回答了16个问题采纳率：100% 举报

since可以引导原因状语从句,这里表示因为得意思,其他几个词没有这个意思,所以选A

1年前

xiangqi0105 幼苗

共回答了16个问题采纳率：93.8% 举报

since这里做个因果讲，因为她值班，所以她一定在那儿

1年前

kino_d 幼苗

共回答了5个问题举报

Since是自从的意思，也可以翻译为当。
也就是"MRS WHITE在办公室嘛?是的,当她上班的时候,就一定在这里"

1年前

whzzb 幼苗

共回答了3个问题举报

这里since是既然的意思....说的是"既然她正在工作中,她就一定在这"

1年前

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