While many teachers have welcomed the efficient class, some are still about its results. A.——青夏教育精英家教网—

摘要： While many teachers have welcomed the efficient class, some are still about its results. A. sceptical B. explicit C. sensitive D. certain

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While many teachers have welcomed the efficient class, some are still ______ about its results.

A. sceptical B. explicit C. sensitive D. certain

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