从方框中选择适当的单词填空。

That boy takes after Mr. Brown. He _____ be his son.
－Where is Jim?－Sorry, but he_____ be at school. I saw him in the street just now.
I don’t know the way to the post office. What ______ I do?
_______ you like to come for dinner?
－_____ I do my homework now? －No, you don’t have to.