1 . The railway ________(轨道) are now useless pieces of steel.

2 . But unlike her school friends, 16-year-old Sarah is not spending half-term resting. Instead, she is earning £6500 a day as ________ model in New York.

3 . When we got a call ______ (say) she was short-listed, we thought it was ______ joke.

4 . As ________ result, people will eat more food to try to make up for that something missing.

5 . The students benefitting most from college are those _______ are totally engaged (参与) in academic life.

6 . Until now, we have raised 50,000 pounds for the poor children, ____ is quite unexpected.

7 . Some experts think reading is the fundamental skill upon ____ school education depends.

8 . Creating an atmosphere in ____ employees feel part of a team is a big challenge.

9 . It is a truly delightful place, ____looks the same as it must have done 100 years ago with its winding streets and pretty cottages.

10 . Like anything, it is possible to have too much of both, ________ is not good for the health.