The hotel wasn’t particularly good. But I ________in many worse hotels.
| A．was staying | B．stayed | C．would stay | D．had stayed |
One of the ________ of our planet’s warming up is an increase in the number of natural disasters.
| A．consequences | B．reasons | C．causes | D．processes |
We have every reason to believe that ______ 2010 World Expo in Shanghai will be ______ success.
| A．/; a | B．the; / | C．the; a | D．a; a |
Don’t worry if you don’t understand everything, the teacher will ______ the main points at the end.
| A．recover | B．review | C．require | D．remember |
You and I could hardly work together,?
| A．could you | B．couldn’t I | C．couldn’t we | D．could we |
You may use room as you like ____ you clean it up afterwards.
| A．so far as | B．so long as | C．in case | D．even if |