Identify in which of the following sentences is the preposition 'by' used CORRECTLY. a) Can you come by to my house tomorrow? b) The book was published by a leading publisher. c) The government is planning to re-open the colleges by Monday. d) The management accepted to resolve the problem by appointing a committee.
In option b,” by” is used correctly to indicate the agent of the action (”by a leading publisher”), and in option d,” by” correctly refers to the means of resolving the problem (”by appointing”).