Question

Which contains a sentence error? Mike enjoyed learning Spanish, so he signed up to help teach the language to police officers. Mike enjoyed learning Spanish; he signed up to help teach the language to police officers. Mike enjoyed learning Spanish, he signed up to help teach the language to police officers. Mike enjoyed learning Spanish. He signed up to help teach the language to police officers.

Answer 1

all of the answers except the first one. The sentence that is correct is the one that says, "Mike enjoyed learning Spanish, so he signed up to help teach the language to police officers."