VincentFSJ 发表于 2016-9-30 01:18
把to没画线的句子改写成,if they want to develop 来看呢
emmahiggins09 发表于 2016-9-30 04:18
即使要改的话 应该改成 if they wanted to develop, they would have to know...这样才对
VincentFSJ 发表于 2016-9-30 01:18
把to没画线的句子改写成,if they want to develop 来看呢
伏特加 发表于 2016-9-30 03:02
To develop more accurate population forecasts, demographers have to know a great deal more than now ...
summmmmer 发表于 2016-9-30 17:22
那请问所有的To do开头的句子都需要这么想吗
summmmmer 发表于 2016-9-30 17:50
那到底怎么判断呢,如果这道题不看答案的话,怎么能想到需要用虚拟语气呢
...
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