Prepositions of time – grammar practice

1. Question

___ Mondays and Fridays most people work from home.

on
in
at

2. Question

Can you call back later? I’m busy ___ the moment.

at
on
in

3. Question

We usually have lunch ___ 1 pm.

at
in
on

4. Question

Every year we have a business trip ___ spring.

in
at
on

5. Question

The meeting is going to start ___ 9:00 ___ the morning.

at / in
at / on
on / in

6. Question

We started this project ___ last month.

–
in
at

7. Question

Did you receive the email I sent you ___ August 4th?

on
at
in

8. Question

The company was founded ___ 2011.

in
on
at

9. Question

Are you giving a presentation ___ next month?

–
on
in

10. Question

___ Mondays we try not to schedule any meetings.

on
at
–

11. Question

This tool was invented ___ the 20th century.

in
on
at

12. Question

I met the new recruiter ___ Tuesday morning.

on
–
in

13. Question

We can make the final decision ___ January.

in
on
at