Question

the mother was anxious____ the safety of her son​

Answer 1

The mother was anxious about the safety of her son.

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Answer 2

The mother was anxious about the safety of her son​.

• We were supposed to fill in the given blank with the help of a preposition.
• Let us first understand the meaning of prepositions.
• A preposition is a word that can be used to define the relationship that pertains between the noun or pronoun and the rest of the sentence.
• Here the preposition "about" should be used because it is used when we mean "in connection with".