单项选择题A.Professionals.B.College students. C.Beginners.D.Intermediate learners.
单项选择题A.Because he was a white man. B. Because he was inexperienced. C.Because he was too lazy. D.Because he was a black man.
单项选择题A.Under the age of four.B. Under the age of fiveC. Under the age of six.
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.