The audience _______ as they waited for the comedian to come on the stage.
| A．fell silence | B．fell silent |
| C．fall silently | D．feel silent |
The difficulty we now meet with is ___________ we can persuade him to tell the truth.
| A．whether | B．that | C．what | D．why |
It was really very dangerous; you ____ him seriously if I didn’t stop you.
| A．might have injured | B．could injure |
| C．should have injured | D．must injure |
—What do you think of the hotel here?
—Oh, wonderful! We ____ a better one than this.
| A．won’t find | B．can’t find |
| C．must have found | D．couldn’t have found |
We are all looking forward ______ the Great Wall during the National Day.
| A．to visiting | B．to visit |
| C．for visiting | D．for a visit to |
_________ production up by 60%, the company has had another excellent year.
| A．As | B．For | C．With | D．Through |