题目内容
Mary rang the bell.________ she had not seen before.
[ ]
A.Came in a boy
B.A boy did come in
C.In did come a boy
D.In came a boy
答案:D
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题目内容
Mary rang the bell.________ she had not seen before.
A.Came in a boy
B.A boy did come in
C.In did come a boy
D.In came a boy