单选

I hope that it is possible to achieve this objective by calling on the smokers ______ good judgment and show concern for others rather than by regulation.

  • A.to be using
  • B.to have been using
  • C.use
  • D.to use
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