作业帮Inventors have changed the way we live.So they are famous for the great things they___.为什么did?
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Inventors have changed the way we live.So they are famous for the great things they___.为什么did?
Inventors have changed the way we live.So they are famous for the great things they___.为什么did?
Inventors have changed the way we live.So they are famous for the great things they___.为什么did?
他们所做的事情,发明都已成为事实,所以用过去.
他们过去的事不用did用啥？或者they have done也行~
我觉得应该用have done，表示对现在的影响，而且用did与前面的are时态不符。