_____ will take you about thirty minutes to get there.

          is an American girl，and          name is Mary.

— Who will teach _______ oral English next term? Can it be a new teacher?— Perhaps. But our head teacher hasn't told us ________ .

Don’t copy others’ work. If you do it by ________, you’ll feel much better.

Stephen Hawking thinks _______ important to have hope in bad situation.