Answer:
A.
You cannot go straight ahead. You must
turn either to the left or right.
Explanation:
Found it on this study guide for road signs
https://www.puedomanejar.com/en/road-sign-study-guide/
If i'm undertsanding correctly... You could use a Thesaurus, the Internet
Answer:
The correct answer is bullet point number 2.
Students should be students'
The repeated words emphasize that the two friends are alike and together.