题目
这句英语的语法问题
All he had to do was spend four months this year and next year in Moscow,a nice enough city,doing some research—which he would have done anyway at home at UCLA.
为什么这里要用would have done?可以用would
还有doing some research做什么成分,修饰的是spend还是four months?
All he had to do was spend four months this year and next year in Moscow,a nice enough city,doing some research—which he would have done anyway at home at UCLA.
为什么这里要用would have done?可以用would
还有doing some research做什么成分,修饰的是spend还是four months?
提问时间：2020-12-11
答案
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