Answer: D
Explanation: because it makes sence.
<em>basically im is used for not and here impossible means that anything which is not possible .. here main root or word is Possible because im is only a prefix .. this prefix 'im' changes the meaning of possible and makes it impossible :)</em>
George Washington was the first president of the United States of America.
The plural noun that is spelled correctly is A. roofs.
B should be - knives.
C should be - dictionaries.
D should be - monkeys.
