1) It....................very difficult to think of a world without colors. a) is b) are c) was d) were 2) There aren't ............................beautiful rainbows to look at. a) some b) a c) any d) lots 3) Color is very important to ..................of us. a) every b) all c) a d) each 4) Red ..................people and animals think something is dangerous. a) makes b) make c) making d) made 5) Drivers stop when they see red lights and animals ...................... eat insects with red wings a) isn't b) aren't c) weren't d) don't 6) In the past, people ..................near the rivers or beaches a) live b) living c) lived d) lives 7) Lizards ......................very short necks, and ears on the outside of their head. a) have b) got c) has d) had 8) Swans are ...................largest birds in the duck's family. a) a b) the c) an d) some 9) A swan ...................underwater plants to eat by putting its neck into the water. a) eat b) eating c) finds d) find 10) Swans make .......................houses on the ground near the lakes or rivers. a) its b) their c) our d) some

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