With the victory at the French Open, Li Na has reached NO．4 in the world,______ the previous Asian record．

I’m going to the supermarket this afternoon. Do you have anything __________?
A. for buying       B. bought       C. buying       D to be bought

— Who are those people gathering in front of the building?
— A group __________ itself the youth volunteers.

The officer gave orders that anyone _____ a gun should be reported to the police station.

----- How did you know the surprising news?
----- I happened _______ the event then.

Once _____ in a theater wearing 3D glasses, you feel as though you are caught up in the story which is showing around you.

Do you know the trouble he had _____ the work?

A communicative satellite ______ as much as 3.5 tons was sent up into space last week.

___________ your car unlocked outside means ___________ trouble.