It was not until she came to see us her mother was ill in bed.A. when we knewB. that did

发布时间：2020-08-16 07:38:02

It was not until she came to see us      her mother was ill in bed.
A. when we knew
B. that did we knew
C. that we knew
D. that did we know

网友回答

A. when we knew
B. that did we knew
(答案→)C. that we knew
D. that did we know
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