it is not feasible and promptly go back to sleep这里为什么要省略to

it is not feasible and promptly go back to sleep这里为什么要省略to He found it difficult to sleep.为什么is省略? 英语翻译Cantilever .Often it is not feasible to construct long s Not to advanced is to go back jack and his mother ( ) not go to back to their home () it g GO back to sleep 改为祈使句 It is very fat and it likes to sleep it is too late now,i must go to sleep He did not go to sleep until his mother came back home同义名句 Jim found it difficult to go to sleep 变为同意句It is hard for Ji you go to bed and sleep Darling,I want go to sleep ,and