Stress is often ______ with poor sleep and unhealthy eating habits.

In his essay, he failed to ______ the sources properly.

A ______ between the two countries shows clear economic differences.

Scientists are working to ______ a vaccine for the new virus.

Many people question whether it is ______ to test products on animals.

Her tone ______ that she was not happy with the decision.

Government ______ in private companies can sometimes slow innovation.

The company’s profits increased only ______ last quarter.

The changes in climate are now clearly ______ in many regions.

Accidents often ______ when safety procedures are ignored.

The ______ of the city has doubled in the last twenty years.

Taking extra ______ during flu season can prevent illness.

Please follow the correct ______ when handling hazardous materials.

The university plans to ______ its research findings next month.

He didn’t know how to ______ to the surprising news.

There is a strict ______ on the use of plastic bags.

The new policy has ______ reduced air pollution.

The engineer helped solve a ______ problem in the system.

Weather is a major ______ that can affect crop production.