It seems that medical science is ...... of discovering a cure for cancer.

Poison should be kept in a place that is ..... to children.

Over the past decades, the issue of global warming has slowly moved to the ....... of humanity’s concerns about the future.

Although our planet has cooled and warmed through ....... cycles for eons, the scientific community now sees the impact of our industrial age and this consensus is world-wide.

The accounts of this

company …… regularly twice a month by a strict tax expert.

I …… this article long

ago if I …… English well.

The reasons for these extinctions ...... , but what they all have in common are dramatic changes in weather patterns and sea levels.

The doctor gave the woman a strong ...... to calm her down.

Certain vitamins help to overcome a loss of ........ .

Antarctic atmospheric ozone levels have ....... by 70% and entire mountain ranges in the Antarctic have lost their snow cover.