How much do you know about the 3D film technology?— A little. Not until ________ the hot movie Avatar ________ some about it.

She’ll spend as much time as she can to improve her spoken English.

I can’t find Mr. Smith .Where did you meet him this morning ?—It was in the hotel ______he stayed .

Retired French soccer player Zidane said that he happy to do something for children.

43.It was not until 1936________basketballbecame a regular part of the Olympic Games.44.