Question

Rita and sita have known _________ for many years (each one ,eachother)

Answer 1

Here is the correct answer along with explanation:

Rita and sita have known each other for many years.

Explanation

'Each other' is a pronoun that is used as the object of verb or preposition to show that each member of a group does something to or for the other members.

Example

Ram and Shyam often help each other in studies.

Answer 2

Answer:

• Rita and sita have known each other for many years.

Explanation:

• Each other is the right answer.
• Each one gives a different meaning and this doesn't suit the given sentence.
• This word Each other is a pronoun.

Examples:

• People help each other.
• We smile at each other.
• We must take care of ourself and each other.
• In our school ever students help each other.