Prepositions of Time (In, On, At)：练习题

We usually have dinner ____ 7 p.m.

My cousins usually go to church _____ Easter, but they decided to stay at home _____ Easter Sunday this year.

The traditional ceremony is held _____ the beginning of the year, usually _____ February 1st, _____ sunrise.

The shop is closed ____ Sundays.

Our annual picnic is _____ spring, and we usually meet _____ 9:30 a.m.

When do we usually have dinner? We have dinner ______ the evening.

My family always goes hiking _____ a clear Sunday morning _____ spring.

The grand opening of the new library will be held _____ 10:00 a.m. _____ a sunny Saturday _____ next month.

Read each sentence carefully and fill in the blank with the correct preposition of time: in, on, or at.

(a) My family usually goes on holiday ____ August.

(b) I have a piano lesson ____ Wednesday afternoons.

(c) The train departs exactly ____ 9 o'clock.

(d) We celebrate Christmas ____ December 25th.

(e) The new movie will be released ____ the summer.

Read the short paragraph about Tom's day. Fill in each blank with the correct preposition of time (in, on, or at). Then, answer the question below.

Tom wakes up ____ 6:30 AM every day ____ weekdays. He eats breakfast ____ the morning with his family. ____ Sundays, they like to go for a picnic ____ the afternoon. They always aim to be home ____ sunset.

(a) Fill in the five blanks with in, on, or at.

(b) Why do we use 'in' for 'the morning' but 'on' for 'Sundays'?