分析下面句子,如下the most difficult thing is being able to predict w

分析下面句子,如下the most difficult thing is being able to predict w To predict the future is difficult .改为同义句 分析下面两个句子：The palace is considered to be being restore. It is useful to be able to predict the extent to which a pri it is use ful to be able to predict the extent__... It is useful to be able to predict the extent ________ which It is difficult to predict what the long-term effects of the 英语改错题 Although life in the future is difficult to predict,bu ____ life will be like in the future is difficult to predict Although life in the future is difficult to predict,but we c 有关从句However,it is difficult to predict when the financial cr the delight is being able to sit is being是什么语法?