The term paper was due to December 1, but hard as he tried, he was unable to meet the _____ for it.
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 finanical 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 involed, so his choice was quite_____.
____the sketch of Xiao Shenyang made a _____has been known to us all.