Complete the sentence with: in / at / on
Example My birthday is _____ June.1 of 5 We leave for Paris _____ Monday.2 of 5 My phone is not _____ my bag.3 of 5 He was born _____ 1990.4 of 5 Please sign _____ the bottom of this page.5 of 5 The conference starts _____ January 12th.