用正确的介词填空.急用!（英）
1、kate is one ______ the fastest girls in her ciass.
2、They talk ______a long time.what are they talking ______?
3、Palying computers games too long is really bad ______ your eyes.
4、Don’t stand too mear ______the tiger cage,it’s dangerous.
5、The moon looks ______ a plate in the sky.
6、We should try to do everying ______ourselves.