Ngo NgocMember for 2 ปี 9 เดือน Age: 13+ Level: 8 Language: Vietnamese (vi) ไอดี: 1382169 11/09/2021 Country code: VN Country: Vietnam School subject: Sinh (1494727) Main content: Bài 2 (1518319) From worksheet author: worksheer Other contents: worksheet Loading ad... Share / Print Worksheet Google Classroom Microsoft Teams Facebook Pinterest Twitter Whatsapp Download PDF Loading ad...