<p class="Instructions"><strong>1. Fill in the gaps. There is one extra word which you do not need to use:</strong></p>
<p class="Instructions"> <em>footprint</em>, <em>threat</em>, <em>gases</em>, <em>habitats</em>, <em>temperature</em>, <em>bulbs</em>.</p>
<p class="Normal10"> </p>
<p class="Normal10"><strong>1. </strong> Global warming is a serious {#1} to animals that live in cold climates.</p>
<p class="Normal10"><strong>2. </strong> In London, the average {#2} in summer is 24°C, but on some days it can be as high as 30°C.</p>
<p class="Normal10"><strong>3. </strong> Greenhouse {#3} are produced by cars, aeroplanes and industry and they are altering the Earth’s climate.</p>
<p class="Normal10"><strong>4. </strong> When people cut down trees, birds and animals lose their {#4} .</p>
<p class="Normal10"><strong>5. </strong> People who drive to work every day have a larger carbon {#5} than those who walk or take the bus.</p>
<p class="Normal10"> </p>
<p class="Instructions"><strong>2. Choose the correct word.</strong></p>
<p> </p>
<p class="Normal10"><strong>1. </strong> If the ice sheets of Greenland and Antarctica ever {#6} completely, sea levels will rise by about 60 m.</p>
<p class="Normal10"><strong>2. </strong> When we burn fossil fuels, the gas they produce {#7} the Earth like a thick blanket.</p>
<p class="Normal10"><strong>3. </strong> In Rome, temperatures hardly ever <strong>{#8} </strong> below zero in the winter.</p>
<p class="Normal10"><strong>4. </strong> We can cycle or walk to school if we want to help {#9} the amount of carbon dioxide in the atmosphere.</p>
<p class="Normal10"><strong>5. </strong> I’ve lost the electrician’s number. Please pass me the phone book so that I can look it {#10} .</p>
<p class="Normal10"> </p>
<p class="Instructions"><strong>3. Fill in the correct word derived from the word in brackets.</strong></p>
<p class="Normal10"> </p>
<p class="Normal10"><strong>1</strong>. The buildings that were sensitively designed, however they were not purely {#11} . (<strong>function</strong>)</p>
<p class="Normal10"><strong>2. </strong>Sit down and make yourself {#12} . (<strong>comfort</strong>)</p>
<p class="Normal10"><strong>3. </strong>Steel factories are very {#13} to the environment. They release a lot of toxic material. <strong>(harm)</strong></p>
<p class="Normal10"><strong>4. </strong>Carla was always very {#14} about her work. She never gives anything away. (<strong>secret</strong>)</p>
<p class="Normal10"><strong>5. </strong>How can you be so {#15} ? You always think only about yourself. <strong>(self)</strong></p>
<p class="Normal10"> </p>
<p><strong>4. Fill in the gaps with the correct word(s). There is a hint in the brackets. </strong></p>
<p> </p>
<p>1. We got stuck in a {#16} . (<em>a snowstorm</em>)</p>
<p>2. They survived a terrible {#17} . (<em>a long period without rainfall</em>)</p>
<p>3. Solar panels that {#18} the sun's heat. (<em>capture and not allow to escape</em>)</p>
<p>4. The governor announced a new plan to {#19} crime. (<em>bring down in amount, extent or degree</em>)</p>
<p>5. Thousands of people will {#20} if food doesn't reach the city. (<em>die from hunger; be very hungry</em>)</p>
<p> </p>
<p><strong>5. Put the verbs in brackets into the correct tense. </strong></p>
<p class="Instructions"> </p>
<p class="Normal10">0. If he ______________ earlier (<strong>leave</strong>), he would have caught his flight.</p>
<p class="Normal10"><em>If he <span style="background-color: #ffff99;"><strong><span style="text-decoration: underline;">had left</span></strong> </span>earlier (<strong>leave</strong>), he would have caught his flight. </em></p>
<p class="Normal10"> </p>
<p class="Normal10">1. He will be furious if he ever {#21} (<strong>find out</strong>) about this.</p>
<p class="Normal10">2. If you don’t like it, {#22} it (<strong>not / eat</strong>).</p>
<p class="Normal10">3. I {#23} (<strong>run</strong>) home if I had known the football match was on TV.</p>
<p class="Normal10">4. The teacher {#24} (<strong>not / shout</strong>) at her if she did her homework.</p>
<p class="Normal10">5. He would not buy a car unless he {#25} (<strong>pass</strong>) his driving test.</p>
<p class="Normal10">6. If you heat water to 100 degrees Celsius, it {#26} (<strong>boil</strong>).</p>
<p class="Normal10">7. If I {#27} (<strong>be</strong>) you, I would ask for help.</p>
<p class="Normal10">8. If she’d passed her exams, she {#28} (<strong>go</strong>) to university.</p>
<p class="Normal10">9. If it {#29} (<strong>not / rain</strong>), we would be very happy.</p>
<p class="Normal10">10. The animals at the zoo {#30} (<strong>die</strong>) unless they’re fed.</p>