Questions 1-4 refer to the following announcement.

Hello, students. Your report cards (1).... in your school mailboxes since Monday. I (2).... to tell you earlier, but I forgot. I have been very busy this week. Some of you (3).... your mailboxes already, but I know there are other who have not. If you work hard, by the end of this semester you (4)..... very high grades. Good luck.

I hope that you see grades that you like.