题目内容
An ant was drinking by a small river when it fell in.It made ______ efforts to reach the side,but made no progress at all.
A. negative B. total
C. desperate D. careful
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题目内容
An ant was drinking by a small river when it fell in.It made ______ efforts to reach the side,but made no progress at all.
A. negative B. total
C. desperate D. careful