20. —Why was you lost all your keys？—It was because of my carelessness.A. thatB. whatC. i

发布时间：2020-08-16 06:19:42


20. —Why was      you lost all your keys？
—It was because of my carelessness.
A. that
B. what
C. it that
D. One

网友回答

A. that
B. what
(答案→)C. it that
D. One
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