Jean________havekepthispromise.Iw

发布时间：2020-07-27 10:56:24

Jean ________ have kept his promise. I wonder why he changed his idea.A.mustB.shouldC.needD.would

网友回答

B解析“should have+过去分词”表示“过去本来应该（但没能）做某事”；keep one's promise意为“信守诺言”。
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