A-A+

You ______ that letter to James. However you

2022-08-02 00:09:00 问答库阅读 168 次

问题详情

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

正确答案：B
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 。