词汇（共5小题，每小题1分，满分5分）
用方框中所给词的适当形式填空。

safe，high ，freeze，belong，center

 
There’s no doubt that the island ________to China .
The government is trying to make sure the students take school buses_______ .
Mountain Wuyi has a ___________of 2185 metres .
The water in the big bottle ____________into ice a moment ago .
In the___________ parts of the country . People often eat rice .