–Everyoneshouldbehard-workingtobesuccessful. --Iagree. ...

问题详情：

–Everyone should be hard-working to be successful .

  --I agree .  You can’t expect to realize your dream ______ you are lazy .

  A. if                    B. but                 C. unless              D. until 

【回答】

A

知识点：连词

题型：选择题