(2013·福建南平二檢)—Does he work hard at his lessons?
—Yes, he ________ no effort, as far as I know.
A．wastes B．shares
C．spares D．makes
C
選C　考查動(dòng)詞辨析。句意：“他學(xué)習(xí)努力嗎？”“是的，據(jù)我所知，他不遺余力地學(xué)習(xí)�！眘pare no effort (to do sth.)“不遺余力(做某事)”，是固定短語。
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