1 It is often the case that 2 It’s a fact that 3 It seems that 4 It’s said that 5 It’s reported that 6 It’s believed that 7 It’s universally accepted that 8 It’s announced that 9 It’s estimated that 10 It must be admitted that 11 It’s obvio...
更多内容请点击:雅思写作语法之形式主语从句