---Did you listen to the speech?--- No, we ______ it. But we had a lot of traffic on our way.

— We want someone to design the new art museum for us.　　　　— ________ the young fellow have a try?

—Excuse me. But I want to use your computer to type a report.—You _____have my computer if you don’t take care of it .

I told your friend how to get to the hotel， but I perhaps I __________ have driven her there.  

—I left my handbag on the train, but luckily someone gave it to a railway official.—How unbelievable to get it back! I mean, someone ______ it.