【Forthelasthundredyears,peopleoftwovillagesinSumatrahaveuseda30-metre-longbridge.It(4)___(make)oftheroots(树根)oftwotreesoneachsideoftheriver.PakihSohan,ateacher,begantobuildthebridgein1】
For the last hundredyears,people of two villages in Sumatra have used a 30-metre-long bridge.It (4)___(make) of the roots(树根)of two trees on each side of the river.
PakihSohan,ateacher,began to build the bridge in1890.Because of the river,many children(5)___(not,go) to school.It took Pakih Sohan more than 26years to make the strong bridge.Thebridge(6)___(become) stronger and stronger because the roots grow all the time.
On rainy days people should cross the bridge carefully.When it(7)___(rain),the bridge will be come wet and slippery(滑的).More and more people travel there just to take some photos and try crossing it.