________ you promise to buy her a present, you can’t break it in any case.[ ]

Sorry, Tom. I took your book_______ mineby mistake.— It doesn’t matter. Yours looks _______mine.

________ or we’ll be late!—Just give me two more minutes and I’ll be ready.

If there were no exams and parents meetings, high school life __ much enjoyable.

(2013·西安一中期末)Is he the only one of the students who ________ here just now?