(2013·天津高考)No one ________ be more generous; he has a heart of gold.
A．couldB．must
C．dareD．need
A
選A　考查情態(tài)動詞。句意：沒有人比他更慷慨；他有一顆金子般的心。could“可能”，用在否定句中表示推測；must“必須”；dare“膽敢，敢于”；need“需要”。根據(jù)句意可知應(yīng)選A。
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