Physicsisdifficult____A.tobelearned

发布时间:2020-07-11 07:12:02

Physics is difficult ____













A.to be learned












B.to learn











C.to be learning











D.to be learn

网友回答

B解析在easy, hard, difficult, light, heavy, interesting, dangerous, fortable, important, fit, pleasant, nice ,good等形容词后的不定式用主动形式表示被动意思。
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