They spent more maney. They had to work harderĐoạn văn30/50They spent more money. They had to work harder.The more they spent money, the harder work they had.The more money they spent, the more harder they had to work.The more they spent money, the more hard work they had to work.The more money they spent, the harder they had to work.Giải thíchĐáp án D