In the pass 30 years china ____great advances in the cocialist revolution and socialist constructioa :has made b:have made c:had made d:having made请讲明白为什么,

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Inthepass30yearschina____greatadvancesinthecocialistrevolutionandsocialistconstructioa:hasmadeb:have

In the pass 30 years china ____great advances in the cocialist revolution and socialist constructioa :has made b:have made c:had made d:having made请讲明白为什么,
In the pass 30 years china ____great advances in the cocialist revolution and socialist constructio
a :has made b:have made c:had made d:having made
请讲明白为什么,

In the pass 30 years china ____great advances in the cocialist revolution and socialist constructioa :has made b:have made c:had made d:having made请讲明白为什么,
a.has made
不能选c,had made,是过去完成时,意思是事情发生在过去的过去,题目说在过去的三十年中,只说了过去,没有存在过去的过去,所以不能用过去完成时,用现在完成时就可以

c:had made

a :has made

C过去完成时

In recent years,A girl may pass easily through the first grade,while boys In the pass 30 years china ____great advances in the cocialist revolution and socialist constructioa :has made b:have made c:had made d:having made请讲明白为什么, in the years to in the following years. in the pass 用什么时态 How time flies!Several years ____since we started our middle school life.We will keep the pleasantexperiences in our minds.A.have pass B.has passed C.will pass选哪个?为什么? 初中英语语法选择1题(求详解)How time flies!Several years ( ) since we started our middle school life.We will keep the pleasant experiences in our minds.a.have pass b.has passed c.will pass in the past in the past few years in the last 30 years 各用什么时态? 1.A report says school maths standards in England have failed to improve in the last 30 years,__________than those in mid-1970's,when only 20% of the students could pass maths exams.A.no betterB.not betterC.no worseD.not worse2.Golf is rapidly becomi in the past few years in the past two years 1.-How often does the Olympic Games take place?-_______.A.Each four years B.Every four years2.I was the first to pass the finish line,because I ___ runningA.do well in B.did well in pass the pass the pass the pass the The population of the world has grown very fast ____ four hundred years.A.for past the B.in theThe population of the world has grown very fast ____ four hundred years.A.for past the B.in the pass C.in the past D.for past为什么选C 不能选B C和B Great changes_____(take) place in the past 30 years.