He works in China now, But he ______in Africa for eight years .
A worked B has worked C had worked D has been working
--Beijing Airport , please. I"ll be there then by ten.
---_______________, but I"ll do my best
A No problem B All right C I can't promise D It's impossible
Mary is the only one of the teachers who_____a little Chinese because she is one of my friends who____been to China
A knows have B knows have C know to D know has
________in thought, he almost ran into a passing truck
A Losing B Having lost C Lost D To lost
The thief was brought in with his hands ________behind his back
A to be tied B tied C being tied D tie
I couldn't accept the fact____my best friend, John cheated me and I cried at that moment
A that B when C what D which
