Question

Complete the sentences with on/in/at. 1) Goodbye! See you __ Saturday. 2) I usually get up __ 8 o` clock in the morning. 3) What are you doing __ Thursday evening? 4) My granny`s birthday is __ February. 5) I like to look at the Moon __night. 6) We often go to the beach __ summer. 7) Let`s meet __ 6-30 tomorrow evening. ПОМОГИТЕ ПОЖАЛУЙСТА!