用所给词的适当形式填空。
What's your _______(father)favorite sport?
Running and swimming______(be)my favorites.
_______she_______(like)math?
Jack______(not want)any pens.
I like music because it's_______(relax).
I think Scott______(play)tennis every day.
Why______they______(like)art?
Let's______(join)their club.
______(China)is my favorite subject.
They like______(play)the guitar.