Hey, the answer is A.
Explanation : It’s important to know what you will be learning in the beginning of a lesson
You should write about what the person did/does in their life and how it affected the world and/or themselves and/or people around them. You could also include their relatives, family members, siblings, hobbies, etc.
It's risk against health and it's expensive price for it.
The author twists the words and uses literary elements
An antonym for alcove would be compartment or cubicle. Hope this helps! :D
~PutarPotato
