Во сколько раз угловая скорость часовой стрелки больше угловой скорости суточного вращения Земли?

1) When _did___ you__ (arrive)yesterday? 2) He has been) busy for the last three hours. 3) Mary__has been playing the piano since morning.. 4) When _are you__going on holiday? 5) _Have_ you___(heard) the latest news?  1) There is a of food in some countries (shortage). 2) Make yourselfcomfortable). 3) The weather is so __ changeable ). 4) Can you give the of this word (definition). 5) Let’s come up to some (conclusion).