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—Was the boy saved?
—No. The doctors tried their best, ______ they failed.

A. and
B. so
C. but
D. although
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科目：初中英語(yǔ) 來(lái)源：河北省模擬題 題型：單選題

—Was the boy saved?
—No. The doctors tried their best, _____ they failed.

[     ]

A. and
B. or
C. but
D. so

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科目：初中英語(yǔ) 來(lái)源：0115 期中題 題型：單選題

—Was the boy saved?
—No. The doctors tried their best, ______ they failed.
[     ]
A. and
B. so
C. but
D. although

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科目：初中英語(yǔ) 來(lái)源： 題型：

--Was the boy saved?

--No．The doctors tried their best，          they failed．

A．a(chǎn)nd                                   B．so                                     C．but

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