题目内容
5.He promised _____ back in a few minutes.( )A. | to ring | B. | ringing | C. | rang | D. | to be ringing |
分析 他保证几分钟后回电话.
解答 答案是A.本题考查不定式做宾语.题干中动词promise后往往接动词不定式做宾语,所以排除B和C;动词不定式的进行式表示不定式的动作与谓语动词同时进行,而动词不定式的一般式往往表示将来,本句中显然ring back是将来的动作,所以答案选择A.
点评 首先判断选项中的动词在句中是以谓语还是非谓语形式出现,然后根据选项在句中的功能结合非谓语的基本用法做出合理的判断.
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