6、15.______ofthelandinthatdistrict_______coveredwithtreesandgrass.A.Two-fifth;isB.Two-fifth;areC.Two-fifths;isD.Two-fifths;are16.Iknowtheplacewecanhaveaquiettalk.AwhichBwhereCwhereverDwhen17.Theytheirmindstofinishtheworkontime.AmadeupBtookupCsetupDputup18. She
7、brought with her three friends, none of I had ever met before.A. them B. whoC. whom D. these 19.Hearingthis,thelittleboy_____intotearsandaskedhismother,“DidIdoitwrong?IsGodmadatme?”A.burstB.cameC.fearedD.expressed20.Californiaisknownitsfruits.A