Though trying really hard, they acknowledged ____ at last.
Health officials have tried to raise _______ about the H1N1 flu among all people.
In front of our house ________ we used to swim.
To our joy, only a small number of people voted against it, and the majority were it.
I shall never forget the day Shen Zhou V was launched ,has a great effect on my life .
Her voice was shaking despite the fact ________ she tried her best to control it.