阅读短文，回答问题。

Mr and Mrs Black live next to my home．Mr Black is 45 years old．He's short and strong．He looks funny．He's very kind to children．He works in a car company．He's an engineer．He designs cars．He can make beautiful kites, too．Mrs Black likes working with numbers．She likes singing and dancing, too．She's an accountant in the same car company．Mr and Mrs Black often goes to work early by car and goes home late．They are hard working people．

1．What does Mr Black do?______________

2．What does Mrs Black do?_____________

3．How does Mrs Black go home?________

4．What's Mrs Black's hobby?____________