一句话找错误We saw new houses being built wherever I went on our v

Some new houses are being built near the park.变为疑问句和否定句 a new gymnasium is being built in our neighborhood we went to the train station and saw our friend（ ） A.on B.ou The report being over,we went on with our work对吗? We have built another new building in ----------was our play One day Daddy and I went out for a walk.On the way we saw a a new hospital is being built near our school .that means di we went to Canada on our holiday The river on which a new bridge is being built is 209 meters When I went past the playground ,I saw them____badminton on Last Sunday my brother and I went on trip to our uncle’s.We 3,We saw several houses but ____ we really liked .