Drunk driving used to occur ________ in our city，but now such cases are rare.
| A．practically | B．generally |
| C．frequently | D．gradually |
. Mr Smith is ______ a good teacher ______ we all respect.
| A．such; that | B．such; as | C．so; that | D．so; as |
_______ a chance, we are bound to visit the 2010 Shanghai EXPO.
| A．To be given | B．Given | C．Giving | D．Having given |
The doctors did all they could _______ him _______.
| A．to bring; back to life | B．bring; back to life |
| C．bring; to life | D．to bring; to living |
-- You speak very good English!
-- Thanks. I_______ English since I was a small boy.
| A．studied | B．had studied | C．was studying | D．have been studying |
_______ my teachers’ help, I wouldn’t have succeeded.
| A．Thanks to | B．Owing to | C．But for | D．As to |