单选

He _______ special training on acupuncture . He seems to know everything about this Chinese traditional treatment.

  • A.should have had
  • B.must have had
  • C.could have had
  • D.would have had
参考答案
¥

订单号:

遇到问题请联系在线客服

订单号:

遇到问题请联系在线客服