___ H1N1 flu from spreading, our government has taken some effective measures.
The medicine is on sale everywhere. You can get it at ___ chemist’s.
—Did you have any trouble with the customs officer? —________ to speak of.
Make sure you’ve got the passports ad tickets and ____before you leave.
One of the most important questions they had to consider was of public health
With modern equipment,many mysteries have ____ to light in recent years.