Write the correct preposition.

Prepositions: In, At, On

Fill in the correct preposition (in, at, on) for each phrase:

• At seven o'clock


• On Saturday


• At night


• In 2009


• In summer


• In the morning


• On Sunday morning


• In July


• On the weekend


• In the twentieth century

Ответ: at, on, at, in, in, in, on, in, on, in.