求翻译 The people [who] go are glad they did.为什么前面是go ,后面是did?

求翻译 The people [who] go are glad they did.为什么前面是go ,后面是did? 求翻译 where did the angle go where did they go Who did you go to the movie____? 翻译:after that,where did they go? How did they go to the park? How did they go to the Did they go to the park by bus or by bike 回答是by b Who did you go with? Who did you go with did the exam go? 英语翻译who are the people in this picture?where did they live?w