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。 Bridges are built for many reasons. Some bridges are built so that cars{#blank#}1{#/blank#} (cross) over rivers. Others are made for trains to use . In Washington State, there is a very unusual bridge. It was built for squirrels(松鼠) 。
The town of Longview has a very busy street. Many cars pass it every day. When squirrels tried to cross the street, they {#blank#}2{#/blank#} (kill) . Amos Peters wanted {#blank#}3{#/blank#} (protect) these small and lovely animals, so he built a bridge for them——one that would let them pass above the traffic.
The bridge {#blank#}4{#/blank#} (be) a symbol of the town for over 40 years since then. And every Christmas, the local people {#blank#}5{#/blank#} (add) a small Christmas tree to the center of the bridge .How lovely!
A few years ago, the local people {#blank#}6{#/blank#} (create) a squirrel festival and they raised money {#blank#}7{#/blank#} (build) two more bridges for these lovely animals. For years, because of the bridges . the squirrels in the town have been able to cross safely from one side of the street to the other.