Director Zhang Yimou often has hisfilms _______ local contents, which foreigners are not familiar ______.

It is easy for the students toschool because of the new subway in the city.

The island country is _______ its clean waters and clear skies, which are free _____ pollution ofany kind. [ ]

The Great Western Development ___ a bridge between China and the rest world, promoting the common economic development and prosperity of China and the world at large.

We attend lectures in the school meeting room at weekend _______ seats more than 800 students.