1.Don't worry.___ you work hard,you are sure to pass the exa

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1.Don't worry.___ you work hard,you are sure to pass the exam.
A.As long as B.AS much as C.As.well as D.As soon as
2.Nothing___ to prevent the environment pollution.
A.can we do B.we can do C.can do we D.do we can
分别是A,B么?为什么

是高二的语法知识
第一个是由AS LONG AS引导的条件状语从句,语法规定
第二个是因为由否定词做前置用完全倒装（即把谓语动词提前到主语之前）OK了.

Don't worry,__you work hard ,you are sure to pass the exam you ___(not pass)the exam if you don't work hard enough. 几个英语问题..1.you are sure ___ the exam if you study hard.A.pass You can't pass the exam if you don't work hard .同义句.You can' If you don‘t work hard,you won’t pass the test （改为同义句） if you don't work hard,you won't pass the exam You are sure to pass the exam [ ] you study hard a if b thou You study () hard () you are sure to pass the exam .Thank yo You will never_____ pass the exam if you don't work hard.A.C if you don't work hard ,you will not pass the exam 同义句 if you don't work hard, you will fail___(pass）the exam don't worry.the hard work that you do now ____ later in life