1.Many top leaders are c___ about the shortage of water.

1.Many top leaders are c___ about the shortage of water.
2.The university plans to set up an i___ for Chinese studies.
3.Which o___ do you work for?
4.This is a m___ matter,we'd better leave it to the doctors.
5.I went to see a s___ who found I had too little sugar in my blood.
6.His encouraging speech i___ us to be always ready to fight with all kinds of hardships.