单项选择题A.English learning Beginners. B.Intermediate English learners. C.Learners of special English. D.English majors in colleges.
单项选择题A.No, he didn’t.B.Not mentioned. C.Not sure yetD.Yes, he did.
单项选择题A.In outer space.B.In the Amazon basin.C.In the vehicle factory.
单项选择题A.NoB.Yes.C.Not mentioned.
单项选择题A.In three minutesB.In twenty minutes. C.In thirteen minutesD.In thirty minutes.