32. The college education system should be reformed ______ it can follow the pace of the economic development.
____ he has been chosen to work as a teacher in the mountain village ____ him feel very proud.
The question is very important. It really needs _______.
Follow the directions on the bottle carefully when _______.
Do you think ______ important _______ us to learn a foreign language?
-----I think it _______ to smoke . ----- _______.