The World Health Organization gave a warning to the public without any ____when the virus of H1N1 hit Mexico in April, 2009.
The way ___ you are doing it is completely crazy.
The potato is a plant ____ in places ____ it is too cold to grow some other plants.
The eggs _____ cooked just now is delicious.
At least 450 years ago, corn was____ China.
In order to change attitudes _______ employing women, the government is bringing in new laws.