Mr. Smith owns _____collection of coins than anyone else I have ever met.
| A．larger | B．a larger | C．the larger | D．a large |
Doctors believe that only a small number of people ____ of this kind of disease.
| A．is in danger | B．is in a danger |
| C．are in danger | D．are in the danger |
Brain told you that there wasn’t anyone in the room at the moment, ______?
| A．was there | B．wasn’t there | C．didn’t he | D．did he |
The old woman found herself ______ when she left the market.
| A．cheating | B．cheated |
| C．to be cheated | D．to have cheated |
Public service advertisements are often run _____ free, and are ______ to educate people about health, safety, or any other issue which affects public welfare.
| A．for, mean | B．for, meant | C．of, to mean | D．in, meaning |
--- Shall I tell John about it?
--- No, you _____. I’ve told him already.
| A．mustn’t | B．wouldn’t |
| C．shouldn’t | D．don’t have to |