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 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.