TEST YOURSELF U6E12

Recycling is a popular way to conserve _____ resources.

• nature

• natured

• naturally

• natural

We should focus _____ the conservation of vulnerable species at risk of disappearing.

• in

• about

• on

• with

The traffic was terrible. By the time I got to the conference, the chairman _____ the opening speech.

• finished delivering

• finished to deliver

• has finished delivering

• had finished delivering

The more carefully humans mind their daily activities, _____ on the environment.

• the less harmful they have impact

• the less impact harmful they have

• the less harmful impact have they

• the less harmful impact they have

Peru's Bahuaja Sonene National Park, a remarkable protected area, is home _____ 174 species of mammals, including rare animals.

• at

• of

• to

• for

The United Nations has recommended that countries _____ all places with more than 20,000 inhabitants living close together as urban.

• be regarding

• have regarded

• regard

• be regarded

Many endangered species are moving _____ to extinction, and we are losing our precious places.

• more closely and closely

• close and close

• closer and closer

• closely and closely

Some reptile skins - such as crocodile, python and monitor lizard - are highly prized _____ exotic leathers.

• by

• as

• with

• for

In 2013, a _____ three-month-old tiger cub was brought to a rehabilitation center in the Russian Far East.

• starving

• starvation

• starved

• starve

Wildlife Conservation Society uses science to discover and understand _____ natural world.

• the

• an

• a

• no article