Hi similar question. Original sentence is, It is amazing that a duck-billed platypus is a mammal, yet lays eggs. I need to add two words "insectivore" and "oviparity". My own making is,,,, (1) It is amazing that a duck-billed platypus, semiaquatic insectivore/carnivore, is a mammal, yet oviparity (= lays eggs). (2) It is amazing that a duck-billed platypus, semiaquatic insectivore/carnivore, is a mammal, yet is an oviparity (= lays eggs). (3) It is amazing that a duck-billed platypus, semiaquatic insectivore/carnivore, is a mammal, yet is oviparity (= lays eggs). (4) It is amazing that a duck-billed platypus, semiaquatic insectivore/carnivore, is a mammal, yet has oviparity (= lays eggs). (5) It is amazing that a duck-billed platypus, semiaquatic insectivore/carnivore, is a mammal, yet has an oviparity (= lays eggs). I am wondering if it should be either is or has or an or something. If you have any advice, please help me out. Inouez
