单项选择题A.They want to change the way English is taught.B.They know clearly what they want to learn.C.They want to have an up-to-date knowledge of English.D.They learn English to find well-paid jobs.
单项选择题A.Their being built up of stones.B.The shape of the pyramids.C.People’s taking good care of them.D.Effective measures to protect them.