请问我这样回答可以吗?如何改正?--tom is the cleverest person.

请问我这样回答可以吗?如何改正?--tom is the cleverest person.
翻译：
他问：
--who is the cleverest person you know
我答：
--tom is the cleverest person.
他问：
-- which are usully the hottest and coldest months in your part of china
我答：
--it is usully the hottes in south part of china .
请问我这样回答可以吗?如何改正?
ll108 b