题目内容
Finding the old man in danger, ________.
A.a doctor was sent for without delay.
B.an ambulance was called for at once.
C.his son sent for a doctor at once.
D.The house was crowded with his children.
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题目内容
Finding the old man in danger, ________.
A.a doctor was sent for without delay.
B.an ambulance was called for at once.
C.his son sent for a doctor at once.
D.The house was crowded with his children.
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