english grammar

the following highlighted are the correct ones

My whole family loves our new home so much! It is three times bigger than our old flat and it has four bedrooms and two toilets. My younger sister and I no longer need to share one room or fight for toilet in the morning. also,my parents have one room for study.It's perfect that I can study concentratedly.
I have been looking forward for my own room for a long time.I pick the room with the biggest window. The window face to a beach.when the sun is going down,the sparkling water will appear on it like a picture.Although my room is the smallest one,it worths!
Three families live in this floor.One of them is a young couple,Mr. and Mrs. Chan,and a coming baby girl.They are so nice that Mrs. Chan treat me some cookies,which she made.It's tasty!Maybe i can ask Mrs. Chan to teach me to make some.Another family is a retired couple ,Mr. and Mrs. Lee,and six cats.They are really charmed by cats as me!All the cats they adopted had been deserted before.We have been talking about cats all the afternoon.
I think we will very happy in here!