1 . Of the key aspect of classical Chinese poetry, another is ________ (it) intense interrelationship with other forms of Chinese art, such as Chinese painting and Chinese calligraphy. (所给词的适当形式填空)

2 . The Chinese Ancient Tea Museum was officially unveiled (揭幕) at the ceremony, opening ________ (it) first exhibition: The Avenue of Truth—A Special Exhibition of Pu’er Tea.

3 . Nanxiang aside，the best xiao long bao have a fine skin，allowing them to be lifted out of the steamer basket without tearing or spilling any of ________ (they) contents.

4 . Many young people leave their hometown to seek ________ (they) fortune in big cities. (所给词的适当形式填空)

5 . The moment the shaking stopped, Miss Brown sensed it was the best time for the class to make _______ (they) escape. （所给词的适当形式填空）

6 . Each level of the forest forms ______ (it) own little world, home to different kinds of living things. (所给词的适当形式填空)

7 . Ecotourism has ________(it)origin with the environmental movement of the 1970s. (所给词的适当形式填空）