根据句意和汉语注释，写出单词的正确形式。
Tomorrow is my grandpa’s ________ (九十) birthday .
There are three ________(阳台) in my new house .
I don’t go to bed  ________(直到) 9 a.m. every day .
Every year _________(千) of people come to visit our city .
The long leather boot aren’t _________(合适的) for trip .