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