用所给词的适当形式填空
I helped my parents __________(do) some housework yesterday.
Do you think it is good for animals __________(live) in a zoo?
How about __________(visit) the museum this afternoon?
I __________ (have) a fever yesterday.
They are too young. They can’t look after ___________(they).
The cat has four ___________ (foot).
It's important ________ (learn) the language.
I want to learn how ________( run) quickly.
The little boy is _________ (interest)  in the ____________(interest) story.
Paul is very funny. He often makes us _______ (laugh).