The train leaves at 6:00 p.m. So I have to be at the station ____5:40p.m.at the latest.

A. until              B. after                     C. by                             D. around   

 51. He looked quite healthy ____ he was ____ the age of seventy.

A. when; at         B. because; in             C. if; for                  D. though; at

I was wandering ____ the streets when I caught sight of a tailor's shop.

A. across                          B. through      C.by                               D.past

Nobody knows it ____ me.                

A. except for               B. except that    C. besides       D. but

Mark was a student at this university from 1999 to 2003, ____ ,  he studied very hard and was made Chairman of the Students' Union.

A. during which time   B. for which time     C. during whose time     D. by that time

We'll go and see the patient ___we are busy.  

A. even if                       B. for                           C. if                              D. while

It is quite clear ____ he won't see us.  

A. what       B. that       C. why      D. how

This article is quite me．There are too many new words

A．a(chǎn)bove B．a(chǎn)gainst C．upon D．beyond

It was very kind of her. She insisted _______ her car to us.

A. to lend B. lending   C. on lending      D. in lending

____ you told me, I had heard nothing of what happened. 

A. Till               B. Until           C. After          D. Since