One of the most important questions they had to consider was__________ of public health
Although the false banknotes fooled many people,they did not____close examination.
These natural parks aye very important for preserving animals,which would_______-run the risk of extinction.
— I’m sorry.I’ve left my wallet home.So I don’t have enough cash for the meal. — Take it easy._____
Putting the worries out of her mind,Mary turned her efforts__________the evening meal.
This is an exciting area of study,_______new applications are being discovered almost daily.