I don't get what 목이 means... I keep getting told it is wrong when not in there, but the tips do not show this at all, then on a few I add it in and it says it is wrong still. What am I missing?
목 means neck or throat. I've read in the comments that Koreans refer to their body parts specifically, not on themselves. So it would be my head is hurting (headache), my stomach is empty (hunger), my throat is dry (thirst).
If we change the 고양이는 to 고양이가 in this sentence, would it make any difference? Is the use of 는 in this sentence is a must or can we change it to 가?
No, you cannot change it to 가 because 목is the subject, hence the subject marker 이.
고양이 is the topic, therefore the topic marker 는.
Sure you can.
You can change it. It changes the emphasis and the "right" answer would depend on context.
Can someone explain the difference between 니다 and 니까 endings?
ga at the end is used as a question marker
This isnt right
마릅니다 is dry, so having 목이 here is saying the cats throat is dry or The cat is thirsty.
well this might not be right but Im enjoying this