5.( ) The tunnel(隧道)_____many years ago, and many peoplewhile theyblasted(炸開) the mountains.((A) was
問題詳情
5.( ) The tunnel(隧道)_____many years ago, and many peoplewhile theyblasted(炸開) the mountains.( (A) was built; died (B) built ; died (C) was building ; dead (D) has built; been dead )