【动词应用根据短文内容，用括号内所给动词的适当形式填空，必要时可加助动词或情态动词。Bridgesarebuiltformanyreasons.Somebridgesarebuiltsothatcars1】

　　动词应用

　　根据短文内容，用括号内所给动词的适当形式填空，必要时可加助动词或情态动词。

　　Bridgesarebuiltformanyreasons.Somebridgesarebuiltsothatcars 1 (cross)overrivers.Othersaremadefortrainstouse.InWashingtonStatethereisaveryunusualbridge.Itwasbuiltforsquirrels(松鼠)。

　　ThetownofLongviewhasaverybusystreet.Manycarspassiteveryday.Whensquirrelstriedtocrossthestreetthey 2 (kill).AmosPeterswanted 3 (protect)thesesmallandlovelyanimalssohebuiltabridgeforthem---onethatwouldletthempassabovethetraffic.

　　Thebridge 4 (be) asymbolofthetownforover40yearssincethen.AndeveryChristmasthelocalpeople 5 (add)asmallChristmastreetothecenterofthebridgeHowlovely!

　　Afewyearsagothelocalpeople 6 (create)asquirrelfestivalandtheyraisedmoney 7 (build) twomorebridgesfortheselovelyanimals.Foryearsbecauseofthebridges.thesquirrelsinthetownhavebeenabletocrosssafelyfromonesideofthestreettotheother.