Earthworms (20) ____________ found all over the world, although they are more common in Europe. They do not live (21) ____________deserts or places where there is a lot of snow and ice. This is because it is (22) ________cold for them and the ground is hard. Some kinds of earthworms have been known (23) _______ grow to the length of a ruler, although they are usually only as long as your finger. Their bodies are made up (24) ____________little rings and they have small hairs on them. The worm uses (25) _________ rings to move and make holes. As they make holes in the ground, they eat the soil and all the dead stuff, and (26) __________produce all the useful things plants need. Earthworms are (27) __________ important for the health of the soil and for the plants growing in it. 20. A. are B. is C. am 21. A. on B. in C. at 22. A too B. such C. much 23. A. of B. with C. to 24. A. of B. for C. from 25. A. this B. these C. that 26. A. thin B. than C. then 27. A. every B. very C. any
