Health officials have tried toraise _______ about the H1N1 flu among all people

Could you please give me______ on how toimprove my English

They won’t buy any new clothes because they ________ money to buy a new car.

He old woman had a letter from her son in the army_____ to her.

I often laugh when I see my grandma learning pop songs .But she says,“ One is never ___old to learn.”