The experiment, though they had tried their best, () to be a failure.
（A）turned up
（B）turned out
（C）turned in
（D）turned on
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更多大学英语备考试题
- 1The price of the camera is very () .
- 2“Whose idea is it?” “It’s________.”()
- 3Some of your suggestions have been ______, but others have been turned down as they are not workable.
- 4On reaching the school, he found he had________his English textbook behind at home.()
- 5The best title for the passage should be ______ . ()
