摘要: 前者的动词是have/ has /had而含义是“有 时.后者仍可用have /has /had, 但是美语中常用do /does/did; 如果含义不是“有 .一律用do /does/did.如: He has a good memory, hasn’t he? You had a letter from home this morning, didn’t you? Your father has bread and milk for breakfast, doesn’t he?

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