1．原型动词eep变为ept的不规则动词
①weep→wept→wept
②keep→kept→kept
③sleep→slept→slept
④sweep→swept→swept
2．名词兼用作动词
①trick n．诡计；恶作剧→vt．欺骗
②fool n．愚人；白痴→vt．愚弄；欺骗
③nurse n．护士→vt．护理，照顾
④head n．头→vi．前往
⑤back n．后背→vt．支持
⑥eye n．眼睛→vt．注视，看
3．“明显”相关单词集锦
①obvious→obviously
②evident→evidently
③distinct→distinctly
④apparent→apparently
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