Prepositions of Time

Put in at / on / in / -

1) Sean usually goes to bed _______ 10 p.m.

2) We have many students _______ this month.

3) I get up late _______ Saturday mornings.

4) We sometimes have three classes _______ the afternoon.

5) Nurses often work _______ night.

6) Electricity prices are going up _______ July.

7) They answered all these questions _______ last Thursday.

8) Our phones rang _______ the same time.

9) The course begins _______ 12 February.

10) He returns to Australia _______ next week.

11) My friend has a birthday _______ spring.

12) I usually go to the countryside _______ Sundays.