Its to help you understand what all the symbols mean. Youre looking at a city that has a symbol by it, and you dont know what it means so you look at the map key and it tells you.
A. during the darkest night
Explanation:
that people dont know what they are talking about
Answer:
i think the plural of one is ones. but not sure
Explanation:
To improve your English it is recommendable to make the learning process your new hobby!
There are hundreds of websites where you can practice and clear doubts you may find every day, conversation clubs, etc.
Try to take advantage of your everyday activities to practice: if you like watching movies, do it in English; if you like listening to music, reading books, try to do it in English. Do whatever you like to do in the language and you’ll see how fast you improve.