28. Listen, Mike. She_________have done it. She’s been with me at the shop all day.

While crossing the mountain area, you’d better carry a stick in case you________by wild animals.

I want to know _____ .

The exam was very difficult but everyone ______ pass.

— I hear you have written a novel?
— Yes, the book ____ come out in a month or so.

—John, how did your English exam go?
—I thought I _____, but in fact I came in the top 10% in the class.  

. Not only the whole nation, but the whole Europe , indeed the whole human society ______ to alter its attitude to racial problems.

13. With examinations coming immediately, you ________ the Internet last night.

23. ---When can I come for the photo? I need them tomorrow afternoon.
---They ________ be ready by 12:00.

--- I got upset yesterday just because you didn’t hand in your homework on time.
--- Terribly sorry. Ten more minutes, I_____it to you.