题目内容
5. Joe should . I wonder why he changed his mind (promise)
Joe应该信守诺言。我想知道他为什么改变了主意。
5. have kept/stuck to his/the promise should have done...结构表达过去本该做而未做某事。
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题目内容
5. Joe should . I wonder why he changed his mind (promise)
Joe应该信守诺言。我想知道他为什么改变了主意。
5. have kept/stuck to his/the promise should have done...结构表达过去本该做而未做某事。