how many continents are there on the earth

how many continents are there on the earth How many continents are there in the world?翻译 ____has been a topic of continual geological research.A Did the continents originateB How did the continents originateC.Have the continents originatedD.How the continents originated how many how many, how many how 科普英语的小知识Mother Teresa mainly worked with poor people in Africa.a.True b.False德雷莎主要是同非洲的穷人.a.对 b.错How many continents and oceans are there in the world?a4,5 b 5,7 c 4,6 d 7,4 【高一英语】________from other continents for millions of years,Australia has many plants and ...________from other continents for millions of years,Australia has many plants and animals not found in any other country in the world.A.Having sepa How Many Times,How Many Lies 歌词 How many?的中文. how many的中文 cakes many how how many bears are how many中文意思 How many bears how many minutes do How many derks are how many planes是什么意思