— What’s the matter with Peter?— He was seen crying when he was coming out of the office. He ________ by the manager.

Tony ____ the invitation, otherwise he would have attended your birthday party. 

Without the air to hold some of the sun’s heat,the earth at night　　　.

 —Will you join us in the party this Saturday evening? —If I ____ ,I would ;but I will have left for Japan on business by then.

I     have passed my examination easily, but I made too many stupid mistakes.