In fact, research carried out by various linguists has (4)_________ rise to as many theories as there are differences in the rate of development.Đoạn văn59/71In fact, research carried out by various linguists has (4)_________ rise to as many theories as there are differences in the rate of development. Nhập câu trả lời ở đây0/3000 ký tựXác nhậnGiải thíchgiven