He swept the leaves up into a _____.

The corruption here is on a grand _____.

With technological improves many traditional skills have become _____. 

Clean your table and _____ those you don't need anymore!

The urban area has become more crowded because the _____ of population lives here.

Mercury is a chemical _____.

Many pesticides are highly _____. You'd better be careful.

Under extremely hot condition, the _____ effects of bacteria are lowered.

The government has to _____ the rise in violent crime.

The competition winners will be _____ by email.

The poster calls for a ban on _____ waste.

Simple improvements to _____ can reduce the spread of disease. 

We should think about how to spend less money for garbage _____. 

Unfortunately, some of the bad news coming out is _____. 

There is a strong possibility that the cat got sick because of eating _____ pet food.

The _____ from youth to adulthood can be a painful process.