Question

 Bridges are built for many reasons. Some bridges are built so that cars1.        (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 squir- rels tried to cross the street,they2.        (kill) . Amos Peters wanted3      . ( protect) these small and lovely animals,so he built a bridge for them―one that would let them pass above the traffic.

The l) ridge 4.       ( be) a symbol of the town for over 40 years since then. And every Christmas,the local people5.       ( add) a small Christmas tree to the centre of the bridge. How lovely!A few years ago,the local people 6.       (create) a squirrel festival and they raised money 7.       (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.

Answer 1

1. can cross   2. were killed   3. to protect

4. has been   5. add   6. created   7. to build