Read the following passage and mark the letter A, B, C or D to indicate the correct answer to each of the questions from 21 to 25. There are 4400 livi
Read the following passage and mark the letter A, B, C or D to indicate the correct answer to each of the questions from 21 to 25. There are 4400 living species of amphibians. Frogs, toads, newts and salamanders are all amphibians. Many live mainly on land, but most spend at least some of their … Đọc tiếp