hadMixed conditional: "If the country _____ invested in renewable energy decades ago, it would not be so dependent on imports now."If the country had invested in renewable energy decades ago, it would not be so dependent on imports now.NoteIf the country had invested in renewable energy decades ago, it would not be so dependent on imports now.Elon.io is an online learning platformWe have an entire course teaching IELTS Vocabulary — Band 7+ grammar and vocabulary.Start learning IELTS Vocabulary — Band 7+ now