汤姆汉语考试得高分是自然的事（natural)用英语怎么说？

That Tom got a high score in Chinese test is a natural thing.

It is natural that Tom got a high mark in the Chinese exam.

It's a natural thing that Tom got a high mark in the Chinese test.

It's reasonable that Tom got a perfect mark in the Chinese exam.
用natural 好像有点怪

it is no doubt that tom can achieve a high score in chinese exam

It is natural for Tom to get a high mark in his Chinese exam.