There is no sense trying to rehabilitate the reputation of the mosquito; nobody loves such a creature. But it's (i)____________ to (ii)____________ all 2,600 described species of mosquito when it's just 80 or so – 3 percent – that drink human blood. Among those 2,520 relatively (iii)____________ kinds of mosquitoes, there's even one we'd like to see in greater numbers: Taxorhynchites, the mosquito that eats other mosquitoes. A. rare B. malign C. blameless D. necessary E. represent F. pernicious G. unfair H. commend I. valuable