A.lives
B.lived
C.has lived
D.was living
[单选题]The old man devoted himself to( )for many years.A.teachB.teachingC.taughtD.
[单选题]The operationcould [prolong] his life by two or three years.A.broadenB.wors
On his next birthday he ( ) married for ten years.A. has beenB. will beC. will
[单选题]No one.( )his theory for almost 900 years.A.askedB.questionedC.answeredD.re
[单选题]His wife says that he was more frugal in his youth than later years.A.listl
Choose the best answer.Tom is my good friend. He has been a taxi driver for many
[单选题]Once more I haveto leave Beijing, _____ I have been living for eight years.
[单选题]Once more I haveto leave Beijing, _____I have been living for eight years.A
Once more I have to leave Beijing, ______ I have been living for eight years.A.
Beijing has cut its birth-rate ______ almost 60 percent in the past 20 years.A.