29.The patient who had suffered from H1N1 insisted on_____________from others immediately, holding the belief that the disease would infect others.
Such a great event __________ that it will attract governments and people from across the world to Shanghai.
________spending our vacation in the city,why not try hiking in the courtry?
— We should recycle everything we can. — Absolutely.These may seem little things,but they’re not__________it comes to saving the environment.
No ready technical data was ______________,but we managed to go without.
Every solid object______reflect a sound,varying according to the size and nature of the object.