用方框中所给单词的适当形式填空，每个单词限用一次。

deep   unless  although   surprise   since

 
       you may not like to do chores ,you should help your parents around the house
He decides not to do that because he didn’t want to           him.
The Monkey King can’t turn himself into a person       he can hide his tail .
The Caspian Sea is the            salt lake in the world .
He has owned the supermarket          his early age .