单选题：How many countries ________ the European Union made up of, ..

I would appreciate________,to be frank,if goods could be delivered as soon as possible. [ ]A. youB. thisC. itD. myself

—Mr Johnson, what are teachers supposed to do for the students?—As teachers, we feel ________ our duty to teach our children to be good wherever we are.[ ]A. thisB. thatC. itD. there is

We have been told that Mr Li will come tonight, and________, our meeting will be held tonight.________, there won’t be any meeting until next week.A. if so; In caseB. if not; If soC. even though; If notD. if so; If not

As the busiest woman in Norton, she madeher duty to look after all the other people's affairs in that town.[ ]A. thisB. thatC. one D. it

He hasn't slept at all for three days. _____he is tired out. [ ]A. There is no pointB. There is no need C. It is no wonderD. It is no way