You should not look at a screen for more than an hour.
1.It coulkd ruin your eyes
2.You could read..A screen is not helping your brain
3 You need use your brain! Go outside read a book study or something!
A. because preposition has a pronoun or noun with a word relating another noun or pronoun
Using context clues and knowing the definition of certain words
Answer:
What are the words if I know them then I can help you