15. With the reform of educational system, the teachers_____school I worked before have greatly changed their way of teaching.
| A．in whose | B．whose | C．in which | D．Which |
—It’s cloudy outside,please take an umbrella.—_________.
| A．Yes,take it easy. | B．Well,it just depends | C．Ok,just in case | D．All right,you’re welcome |
Jack as well as the other students who ______ sent abroad by the government ______ brought up in a small town.
| A．were/was | B．was /was | C．was / were | D．were/were |
—Do you mind if I close the window?
—____．We should let in more fresh air．
| A．Yes, go ahead． | B．Of course not． |
| C．I would like to close it． | D．I’d appreciate it if you don’t． |
— Hi, Tom．Any idea where Mary is? ．
一 She ______in the reading room．I saw her there just now．
| A．shall be | B．should have been |
| C．should be | D．might have been |
Mr. Lee, who _______ as a carpenter for over 10 years, is now a very famous statesman in this country.
| A．has worked | B．had worked | C．worked | D．works |