The door ________ open, no matter how hard she pushed.
With the development of the Internet, e-mail has largely __________ the traditional business letter.
I won't buy this iPhone unless the price __________ to under 2,000 yuan.
Since we have made __________,we have to make __________ to achieve more.
Now many people move into cities in order to have their children __________.
__________ in Europe, the girl can express herself freely in both English and French.