单项选择题A.Average tuition costs increased by 9 percent.B.Average tuition costs increased by 15 percent.C.Average tuition costs increased by 90 percent.D.Average tuition costs increased by 150 percent.
单项选择题A.He believes that the tests are good.B.He believes that the required test scores are too low.C.He believes that they are more important than academic preparation.D.He believes that the tests should not be used correctly.