We should prevent such a silly mistake _____ again.
The new apartment built a few months ago is large enough to __________ over 500 people.
Lin Yi isn't what it used to be. The last decade__________ great changes in the city images.
Generally speaking, how much you're paid __________ how important you are to the company you are working for.
Beijing Op-era is popular with lots of people in Beijing, but it is not to everyone's __________ in other parts of China.
Ordinary woman though she is, she had won the award because she tries every means to make people __________ of the importance of the environment conservation.