复句 A,in which B,at which C,by which D,from which1,Last October China launched its second manned spaceship ShenzhouVI,___two Chinese astronauts traveled in space for five days.A,in which B,at which C,by which D,from which

复句 A,in which B,at which C,by which D,from which1,Last October China launched its second manned spaceship ShenzhouVI,___two Chinese astronauts traveled in space for five days.A,in which B,at which C,by which D,from which which one is right?please tell me the detail.Thank youIn the reading-room there were tables,______you can sit there to read .A at which B in which Cwhere D and The bicycle ______he often rides needs repairing.A on which B in which C by which D with w China has many islands,____the largest is Taiwan.A.in which B.at which C.which D.of which china has hundreds of islands,____we all know.A in which B at which C of which D which,为什么? We depend on the land ____ we get our food.A.in which B.which C.from which D.at which 为什么in which不可以? The English play ( ) my students acted at the New Year's party was a great success.A.for which B.at which C.in which D.on which The English play---my students acted at the new years party was a great success.A for which b at which c in which d on which The English play---my students acted at the new years party was a great success.A for which b at which c in which d on which in China,many young people end unp in a job___they are not suited.为什么填 to whichA.which B.in which C.at which D.to which The building__all elder university teachers prefer looks so beautiful.A.at which B.whereC.which D.in which Games ___ young people compete are usually very difficult A that B which C at which D in which Is this school ____we visited last year?A.which B.in which C.the one D.at which The English piay ( )my students acted at the party was successful A for which B at which C in which D on which that is a hotel ________ we stayed last year A in that B in which C why D at which Is this the house______ he left at the age of 16A.at where B.which C.in which D.at which The second Sunday in May is a day ____ we show our thanks to our motherA on which B at which C which D in which I like the place___I stayed at in Hongkong.A.where B.in which C.that Is this factory ( ) we visited last year.A.where B.in which C.the one D.at whichThis is the book I bought yesterday,( ) I spent 8 yuan.A.for which B.in which C.at which D.on which