Look, the children are playing ______. They are all very ______.

 Now China has joined WTO（世贸组织）, so I think English is________ useful than before.

----Will the box be _____________? ---- Maybe, but someone will help me .

--- How was your vacation in Shanghai?--- Oh, __________, I can’t stand it. There were too many people and the weather was too hot.

He went there as a volunteer on a ________ program.