According to the school rules,no student _________go out of the school after eleven o’clock at night without the teacher’s permission.
His eyes ________ on the PPT, Lee listened to the teacher ________.
-- Tom says he is too tired to go on.-- He can’t. He ________ for an hour.
-- I am afraid I can’t help you with your project. I ________ a model these days.-- It doesn’t matter. I will finish it by myself.
Is this hotel ________ you said we were to stay in your letter?
It is wise to have some money ________ for old age.