单项选择题A.Food is no longer a basic need for us modern people. B.We eat a wide variety of food. C.We no longer eat food that primitive people ever ate. D.We eat more food than primitive people do.
单项选择题A.She is writing a competitive paper for a scholarship. B.She is doing a paper for the research demanded. C.She missed the lecture last Friday. D.She is planning to attend the scholarship award ceremony.
单项选择题A.A dentist. B.A surgeon. C.A physician. D.A chemist.
单项选择题A.Since last year. B.For several weeks. C.For a few days. D.For a few hours.
问答题Instead of Thinking about Doing Something, Do Something