Answer: you will know trust me its like a gut feeling
Explanation:
i know this because my gut feeling have always helped me good luck
It's the third one. It shoud be: You must be home by eight o' clock; your curfew time
A and D are grammatically correct! B and C are 100% incorrect.
In A, you can write "You are quite a..." as "You're quiet a...", but in D ,i don't see an error. So it's a 50-50 in my opinion.
I'm not a 100% sure on the right answer, but i can assure you that the answer is either A or D. Hope it helps!