PRESENT PERFECT GAP FILLING

WHAT ON EARTH HAS HAPPENED ?

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

Fill in the blanks using the present perfect form of the verbs in parenthesis.


We ( live ) on Earth for thousand of years.It ( take ) care of us, but have we really taken care of our wonderful planet? Look at what we ( do ) so far!

OUR SEAS , RIVERS AND LAKES
We ( pollute ) many of our rivers, seas and lakes. We ( throw ) rubbish from our towns and cities into the oceans.We ( pour ) chemicals from factories into our rivers and seas.This ( kill ) water animals and plants!

THE AIR WE BREATHE
We ( pollute ) the air with chemicals from our cars and factories.This ( cause ) serious health problems for thousands of people all over the world !

OUR FORESTS
We ( cut ) down thousands of our planet's trees, most of them in tropical rainforests. The destruction of rainforests ( kill ) a large number of animals and plants, and they ( disappear ) for ever.Cutting down the rainforests ( cause ) flooding in many areas. We ' ve got to stop now, before it's too late!

WE MUSTN'T FORGET THAT PLANET EARTH IS OUR HOME! WE MUST PROTECT IT !