Many unsafe houses stand on the side of the hills__they can be destroyed by landslides caused by earthquakes easily.A which B because C that D where

熱心網(wǎng)友

選D表示"在山坡上".全句可譯為:許多不安全的房子建在半山腰,在這兒,它們極易被地震引起的泥石流沖毀.