6、Iremember.A. aren'tusedto B. weren'tusedto C. didn'tuseto D. don'tuseto( )30.Sofarthisyearwe_________abouthalfoftheroadandwearesurethatitwillbefinishedontime.A.havebuilt B.builtC.build D.arebuilding( )31.Thenewmuseumisopenfro
7、m10:00a.m.to5:00p.m.and_________bymorethanonehundredpeopleeveryday.A. visits B. visited C. isvisited D. wasvisited( )32.Kevin'spetdogwasdead.Noonecould_________tolife.A.bringitout B.bringitbackC.giveitout