Premier Wen Jiabao showed his sorrow to the dead and ordered that the necessities be _______ as soon as possible.

—The tree is so tall. —Yes. It ______nearly 20 metres. 

 Thanks to the joint efforts made by the leaders of China and the US over recent years, mutually _______ Sino-US relations have made remarkable progress.

open

David was ____ in the second half of the football match after a serious knee injury.