Those experienced doctors in our country _______the meeting in order to find out the real_______ of bird flu(禽流感).
In his dream, he arrived at___seemed a fairyland.
While a huge amount of money ___been spent stopping pollution , large quantities of water__still heavily polluted.
It was __of the millionaire not to donate even a penny to charily.
He admitted ___away the purse____to him.
The patient is supposed to go to the hospital for_____checks.