Ответ:

1) The train leaves at 7:30 pm.

2) We have a big family dinner on Sundays.

3) She usually goes to bed at midnight.

4) Our house is on a quiet street in the city centre.

5) I was born in 2010.

Ответ: 1) at; 2) on; 3) at; 4) on; 5) in.