同意句转换(X表示一个单词) It's about thirty minutes' walk from here. X

同意句转换(X表示一个单词) It's about thirty minutes' walk from here. X X about thirty...同意句转换(X表示一个单词)It's about thirty minutes' walk from here.X X about thirty minutes X X X from here.It took them 2 years to build the bridge.They X 2 years X the bridge.It will take us half an hour to get to the airport.We will X X the airport X half an hour.She rode to school to factory.She X to school X X.He saw the bag when his bike hit it.He X X the bag X his bike hit it.