C. others D. the other C. polluting D. is polluted D. itself D. or A. who B. which C. how B. Whether C.Why C. it C. and A. them B, their A. but B. so A. fastly A. grows A. out B. down B. fast C. taster D. fastest C. growing D. to grow C. in D. up B. for growing C. work C. immediately D. hardly C. lesson 1 / 1
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