---Do you work hard at your lessons? ---Yes, I no effor……

单项选择题－－－What's the matter with Jane? She has been sitti

单项选择题>You never get over being a child, ______ you have a mother to go to.A.as far as B.unless C.so long as D.although

单项选择题Lianzhan said that people in Taiwan and Mainland must try hard to understand each other, and ______ misunderstanding.

单项选择题_______ of us is perfect; we all may make mistakes. Both B.None C.Neither D.All 

单项选择题-- Has Mary finished writing her article?-- No, and it _____ before class was over.A.should be finished B.should finish C.should have finished D.ought to have been finished