Question

I must complement you (1)/ on your good manners (2) / and your impeccable behaviour (3)/ no error (4)

Answer 1

Answer:

Explanation:

I should complement on your good

manners and impeccable behaviour

Answer 2

Answer:I must complement you on your good manners and impeccable behavior.

Explanation: We should drop the second "your" from sentence to make it grammatically correct in my opinion.