Correct my sentences day#3

Hello! Asking for your kind help in checking my sentences:

1.) It's warm this spring, don't you think? - 春は暖かいですね
2.) Please show me another book - 別本が見せってください
3.) That's my room over there - あれには私の部屋がある
4.) That shop has a lot of young customers - その店はたくさん若いお客様がいる
5.) My big sister works at a bank - わたしのお姉さんは銀行に仕事です


Thank you!