He was asked to ______the pencil for the little boy.A、sharpB、sharpedC、sharping

游客2024-07-21  14

问题 He was asked to ______the pencil for the little boy.

选项 A、sharp
B、sharped
C、sharping
D、sharpen

答案 D

解析 根据句意和动词不定式ask sb. to do sth. 可知,空白处应填动词,sharp翻译为“尖锐的”,是形容词性,它的动词形式为sharpen,因此选项D为正确答案。
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