Must I stay here with you?— No, you . You may go home, but you go to the net bar (网吧).

Do you find _______ difficult to be independent(独立的)?.

____ your sister know Lucy?—No, she ____.

Who’s that man in our classroom? It ________ be Mr. Brown. He is much taller.— You mean the man in white? He is an exchange student from England.

Must I go there right now, mum?—No, you ____. You can go there tomorrow.