—Does he work hard at his lessons? —Yes he no efforts I dare say.A. spends B. sharesC.

问题补充：

—Does he work hard at his lessons? —Yes, he no efforts, I dare say.

A. spends

B. shares

C. spares

D. wastes

答案：

A. spends

B. shares

(答案→)C. spares

D. wastes

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