----______was it ______ they discovered the entrance to the underground palace?
----Totally by chance.
| A．How, that | B．What, that | C．When, when | D．Where, that |
The great success of this program has been largely _____ the support given by the 10 local business men.
| A．instead of | B．thanks to | C．due to | D．as a consequence |
He risked __________ his job to see me off.
| A．Losing | B．to risk | C．being lost | D．Lost |
I was ashamed _________ lied to my mother.
| A．to be | B．of having | C．that | D．of being |
Doctors are doing research to find out what happens physically when people _________ smoking.
| A．quit | B．decline | C．depart | D．reserve |
I didn’t find his office. If only Ihis address!
| A．had taken | B．have taken | C．took | D．would take |