My little brother was born ______ 2000. [ ]

Who did it better, Bill or Henry?—I think Bill did just _____ Henry.[ ]

Where is your father? —He _______ to Shanghai. He has ever ______ there twice.

Must I clean the classroom now, Miss Wang?–No, you needn’t . It by Bill.

Which place do you prefer to live in, a city or a countryside?– I don’t care. ______ is fine.