No one be more generous; he has a heart of gold.(2013天津)
----- Mr. Chen is a teacher and works very hard. -----_______ his wife.
____ 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?