【简答题】Scientists had ( 寻找 ) for a solution to the mystery, but they didn't find it. 2 . On reaching the station, the passenger found someone in rags ( 游荡 ) around the station. 3 . There are a lot of ( 过错 ) ...
【简答题】Sydney's Harbour Bridge, one of 1________ most famous bridges in the world, towers over Australia's largest city. 2_________ (climb) the bridge is not a crazy thing to do 3 _______ tourists started cl...