1) If it ______, the forest will grow lush and green. a) rain b) rains 2) If we _______ the wetlands, many birds will have a safe habitat. a) protect b) protects 3) If there _____ no water, the desert stays dry. a) is b) are 4) If the temperature ______ below zero, the river will freeze. a) drop b) drops 5) If the sun ______, the flowers in the meadow will bloom. a) shine b) shines 6) If the mountain ______ covered in snow, it looks majestic. a) is b) are 7) If we ______ trees, the air quality will improve. a) plant b) plants 8) If there _____ a drought, the grass in the valley turns brown. a) is b) be 9) If the sea level ___________, some islands will disappear. a) rise b) rises 10) If we _____ in the park, it will become polluted. a) litter b) litters 11) If the soil is rich, the crops ______ grow well. a) will b) have 12) If the lake is clear, you _____ see the fish swimming. a) is b) might 13) If we stop cutting down rainforests, wildlife _______ thrive. a) could b) are 14) If the sky is cloudy, you _____ not see the mountain peak. a) may b) be 15) If the volcano erupts, lava ______ flow down its slopes. a) could b) has 16) If we recycle waste, the landfills _____ shrink. a) be b) might 17) If the coral reefs die, marine life _____ be at risk. a) may b) do 18) If there is no sunlight, plants in the forest _______ grow. a) has not b) cannot 19) If we conserve water, rivers _____ flow year-round. a) have b) might 20) If the river floods, nearby fields ________ be damaged. a) does b) could

Conditionals (Environment) - Grammar

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