I'm exhausted after working for such a long time ____.let's

I'm exhausted after working for such a long time ____.let's We are working for a long time ,so let's sit down and ____ I"m very thirsty,____ these"s no water for a long time.A.or After ___(work)for such a long time,it's almost _(possible)t After working for a long time,.但为什么是Having working for a lon After such a long time's walk Rick feels()tired After working for a long time,.但为什么是Having worked for a long After having worked for a long time,.还是After working for a l I'm sorry I ___(keep) you waiting for such a long time sorry to keep you waiting for such a long time .I must say s I_____ after working for a long time.A.got tired B.care abou Why not have a break after studying for such a long time?（改同