未分类题The director mentioned to us ______he was going to do this experiment once again by himself.A.whatB.whoC.thatD.which
未分类题The chief engineer stated______ he believed it was necessary to study the proposals for several more months before making a decision.A.whatB.whoC.thatD.which
未分类题The World Trade Center, the tallest skyscraper in New York City, ______ the Empire State Building before September 11, 2001.A.had eight floors taller thanB.had eight floors more taller thanC.was eight floors more taller thanD.was eight floors taller than
未分类题When the roads became too slippery, we decided______to the cabin and wait for the storm to go down.A.to returnB.to return backC.returningD.to returning
未分类题On their vacation they enjoyed swimming at the beach, walking through the wonderful streets, and______in the picturesque(风景如画的)parks.A.to sitB.to sittingC.sittingD.sat