A preposition is a word such as after, in, to, on, and with. Prepositions are usually used in front of nouns or pronouns and they show the relationship between the noun or pronoun and other words in a sentence.
Test your knowledge about the prepositions at, in, on,by and improve your knowledge.
My best friend lives ______ London.
I'll be ready to leave ____ about ten minutes.
Since he met his new friend, my son never seems to be ______ home.
Adam responded to his wife's demands ______ throwing a tantrum.
I think she spent the entire day ______ the phone.