.--- Excuse me. Is this the right way to the Summer Palace?
--- Sorry, I am not sure, but it _____ be .
| A．will | B．might | C．must | D．can |
Although she is only 17 years old, she _________ drugs for two years.
| A．Addicts | B．has addicted to | C．has addicted | D．has been addicted to |
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 |