3、A.wastowalkB.hadbeenwalkingC.walkedD.waswalking6.Itis______ workofartthateveryonewantsto have a lookat it. A. so unusual B. such unusualC.such an unusual D. soan unusual7.Therescueteam______tohelpbutfailedtogetthereintime.A.hadwanted B.haveplannedC.wereexpecting D.hoped8.Hedropp