专四专八考试
解析:You ______ that letter to James. Ho
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【单选题】You ______ that letter to James. However, you didn't.
[A] ought to write
[B] ought to have written
[C] should write
[D] should be writing
网考网参考答案:
B
网考网解析:
由题干中的第二句可知这件事发生在过去,而ought to+have+动词的过去分词表示过去本应该做此事而实际上并未做,与题意相符,故答案为[B]。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block";
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