Nowadays, billions of devices are ______________ to the Internet worldwide. It’s an amazing invention.Đoạn văn14/55Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. Nowadays, billions of devices are ______________ to the Internet worldwide. It’s an amazing invention. attractedfastenedconnectedstrappedGiải thíchChọn C