Please complete the correct preposition of time (at, in, on). Bitte ergänzen Sie die richtigen zeitlichen Präpositionen (at, in, on).
1) My birthday (Geburtstag) is 20 February.
2) My brother's birthday is June.
3) Susanne and David meet 9.30 a.m.
4) They go to the Deaf festival Saturday monring.
5) You and I meet 6.30 the evening.
6) Susanne start work 9.00 Monday morning.
7) David goes to university Mondays, Wednesday and Fridays.