Question

Fill preposition:–
• They returned ______ a month.

Answer 1

Answer:

before

Explanation:

hope it helps you :D

Answer 2

Question:–

• Fill preposition:–

They returned ______ a month

Answer:–

• They returned after a month.

Concept used:–

Preposition is a type of word which is usually placed in a given sentence before a Noun inorder to show its relation to something else:

E.g., • The toy is on the table

• She is fond of music

As in first sentence on shows relation between noun (toy) and noun (table)

In second sentence preposition of joins a noun (music) and a adjective (fond)

The used preposition is of time so explaination is as follows:–

At, in , on

At is used to indicate specific point of time.

In is used to indicate a longer period of time.

On is used to indicate dates and days of calendar.

• In, within , before

In indicates or denotes a end of a time period,

Within indicates before expiry of a time period

Whereas, before denotes a specific point of time.

• After, in

After indicates end of period of time in past

Whereas, 'in' is opposite to it as it denotes end of period of time in future.

• Ago , since , for

For is used with a time period

Since is used with perfect tense only to say that something is started.

• Till, by

By means not later than

Till is used in a sentence to show that something is finished.

• For , Since

For is used in a sentence with a period of time.

Since is used in a sentence to show a point of time in perfect.