Fill in the Blanks C9U3 Review 3Online version Complete the questions and answers. by Modern English 1 is large kilometers kilometers it long long are can can get kilometers is reach cold wide wide 1 . Q : How the Khone Falls on the Mekong River ? A : They're 10 . 8 . 2 . Q : How the Amazon Rain Forest ? A : It's 4 million square . 3 . Q : How in Antartica ? A : It minus 89 . 2°C . 4 . Q : How the Mississippi Rivier ? A : It's 5 . 971 .