单项选择题A.Michael Chang.B.Pete Sampras.C.Sergei Brugera.D.Jacob Hasic.
单项选择题A.the 3 - member crew would have to dieB.the 5 - member crew would have to dieC.the 5 - member crew would have to abort the missionD.the 3 - member crew would have to abort the mission
填空题改“between”为“among”
单项选择题A.Studying.B.Preparing snacks.C.Playing cards.D.Learning how to play bridge.
填空题改“medicines”为“medicine”