Answer:
Yes, it is true that all languages have grammar system.
Explanation:
All languages have a grammar, and native speakers of a language have internalized the rule's of that languages grammar.
Megan broke her leg, therefore she can’t run in tomorrows race
I think A why because I think that it is right and not wrong so yeah it is A.
You would need to show paragraph 2 for me to tell you the answer
