---Will he come to our dinner?
---He says that he will not come ________.
| A．unless being invited | B．if inviting |
| C．unless invited | D．if invited |
—Did you enjoy yourself on the beach ?
— .
| A．Yes , it was very beautiful | B．I like it very much |
| C．Well , it depends | D．Oh, I was on top of the world |
20.This is the small house less than 15 square meters,under _____ roof lives a large family of three generations.
| A．which | B．that | C．its | D．whose |
17. They can't be working now. It's time they ________ the office.
| A．have left | B．would leave | C．could leave | D．left |
30.---Can I watch the World Cup games tonight?
---_____.I know you have a lot of homework to do tonight.
| A．Don’t worry about it. | B．It’s out of question. |
| C．It’s out of the question. | D．It’s reasonable. |
29.There have been several new events _____ to the program for the 2008 Beijing Olympic Games.
| A．add | B．to add | C．adding | D．added |