why are they at the bus stpp?

why are they at the bus stop? why are they at the bus stpp? They are at the bus why are they at the bus stop 为什么用I think the are waiting for a bus进行时态回答 I wonder why things are the way they are. People are puzzled _____ they read the book.A.the first timePeople are puzzled _____ they read the book.A.the first time B.at the first time C.for the first time D.at first which and why? They are at the airport是什么意思 Why do people always find what they are looking for in the last place they look at?这是初中水平的脑筋急转弯. That's the reason why they are donging now. Why are they go to the park?哪错了 Why are they go to the park?哪错了 介词填空Why are they picking——the stones They are very suprised at the news.为什么用at? things are really different from the way they are at 英语翻译：Here you are.2:At the international food festival,we had som good food .3:How much do they do 4:Why don't you go shopping? What is the meaning of have two left legs?Why are mules hopless at dacing?Because they have two left legs. why are the old more bothersome when they are getting older and older?why are the old more bothersome when they are getting olderand older? Why they are successful?英语翻译