John Hope Franklin was _______ respected historian and social activist, who wrote about race and _______ struggles of black Americans.
It’s not easy for the expert to ______ pig flu. in humans from regular human seasonal influenza.
Premier Wen Jiabao said that if we worked hard and____ optimistic, we were_____ win the war against the financial crisis.
Single-parent usually____ some of the functions that absent adult in the house would have served under the financial crisis.
He was unaware of the financial crisis involved, so his choice was quite_____.
All that can be eaten _______ eaten up.