This factory has so far produced ( )as last year.A. as many three times carsB. three times as many carsC. as many cars as three timesD. three times more cars than请写出原因.谢谢!

How long has this factory been open这句话转变成这样可以吗How long has been factory open Mr Smith has worked in this factory since he ( )to China A.has moved B.moved 要详解This factory ( )for twenty years.A.has opened B.has openC.has been poen D.has been popened My mother has worked in this factory 2 years.My mother has worked in this factory _____ 2 years.(A)about (B)for (C)in (D)since This factory has so far produced ( )as last year.A. as many three times carsB. three times as many carsC. as many cars as three timesD. three times more cars than请写出原因.谢谢! Mr Green has worked in this factory since 1998.since 1998.对它提问 this factory has been open for twenty years.为什么是open 而不是opened The Blacks ___ in this factory since 1998 A has worked B has come C have been Dhave arrived I wonder how long ago this radio factory-----a has begun b begins c began d has started I work in this factory ,and——A so dose my fatherB so my father doseC so is my fatherD so my father is理由 paper produced in the factory this year is three times the weight of that of the last two years,so the factory can't have made better progress Our factory has five _____workrs 问一些初三的英语单选题This lesson isn’t so _________ as that one.这道题为什么选EASY 而不选EASILYThe Blacks ______ in this factory since 1998.这道题为什么选HAVE BEEN 而不选 has worked51.There is going to __________ a n how long this factory (开办) The problem (whether) this material can be used in our factory has not been solved.这是什么从句? He;s worked in this factory for many years ------ he?A.has B.hasn't C.is D.isn't Modern machinery __________ been installed in this newly ________ built factory.A.has B.have C.had D.is The（ ）production of engines in our factory has doubled this year.A.manualB.annualC.amountD.alike