80. (单选题) Whatever is worth ___ at all is worth ___well.(本题1.0分) A、 doing, being done B、 doing, doing C、 being done, doing D、 being done, being done

80. (单选题) Whatever is worth ___ at all is worth ___well.(本题1.0分)
A、 doing, being done
B、 doing, doing
C、 being done, doing
D、 being done, being done

出自：陇东学院-大学英语(专升本)

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