相关ahard的文学知识

问题详情： Ahard-workingman_____becomeagreatscientist,butagreatscientist_____beahard-workingman.  A.can’t,can         B.maynot,can     ’t,must    D.maynot,must【回答】D知识点：情态...

问题详情：Most people have ahard time studyingeffectively(有效地)．__16__Thefollowingaresometipsonhowtostudyeffectively.Considertheplaceandthetime.Whenyouwishtostudyeffectively，considertheplaceandthet...