People working 10 or 11 hours a day are more likely to suffer from heart problems than_____ who go off duty after seven hours．

(2013·高考安徽卷)This project requires close teamwork.________ will be achieved unless we work well together.

--- Where can we have supper tonight? --- Oh, if you don’t mind,we can do it at _____ of the restaurants.  

We won’t forget the financial crisis and the troubles _______ has caused to the people all over the world．

To know more about the British Museum, you can use the Internet to go to the library, or _______.