have

How many more decades will have to pass 　　　　scientists succeed in providing a cure for cancer？

─ Ｗhere have you been, Tim?─ I've been to_________.

—Will Chinese people have any problems talking with the foreigners in 2008?—I don't think so. Now_____ the young _____ the old can speak some English

--It was careless of you to have left your laptop in my car last night.    --My God! _____.

We have bought two ________ for the coming party.

— _______________________.—I have toweigh your letter first. That’s one dollar fifteen cents.

- What would the whole set cost?- Youcan have it for only 60 dollars down.- I can give you no more than 50 dollars.Can you sell it for that?-___________ , You won’t get a better buy than thisone.

Michael, shall we have a get together with Tom and Catherine thisweekend?-______.

I have been busy working for a long time so I need to ______ in this National Day Holiday and enjoy time.

Torn, what did you do with ray documents? I have never seen such a ________ and disorder !