Ten points will be deducted for a wrong answer.

答错一题扣十分。

OK, why is that the wrong answer?

一个错误的答案，那么为什么？

That is the wrong answer.

这是错误的答案。

I feel this is entirely the wrong answer.

我感觉这是一个完全错误的答案。

Sorry, wrong answer.

很遗憾，这些答案都不对。