He's off his feet里面的's是is的缩写吗?那off是什么词性~?be动词后面能直接跟介词么？？？

He's off his feet里面的's是is的缩写吗?那off是什么词性~?be动词后面能直接跟介词么？？？ The explosion whips the net out of Sonny's hands and knocks him off his feet,and,as he goes down in的翻译 he looked at his own feet,It's much__to be without shoes than without feet. he ____ as if he had wings on his feet.填“moved on” 还是 took off”?为啥呢？ He fell__a rock in his walk and__to his feet.A.over;struggled B.off;ran C.over;stood D.off;brought为啥要选A? stay on one's he learned to stay on his feet in a fight. 翻译he's the best when it comes to thinking on his feet. He _____ to his feet and started towards Queen's G 英语翻译He lost everything in the accident,but he's slowly getting back on his feet.翻译成中文 feet off the ground的意思 英语翻译FULL BOUNCE（throw the ninja onto the trampoline sideways so that he bounces off AND lands on his feet） be rushed off one's feet 麻烦造句, He always stepped on his girlfriend's feet in dance,_____made her unhappyA what B which C that D as He takes off his riancoat.这句中的take off的take为什么是用复数? Jeff h__ to turn off the TV when he heard his mother's voice doing,his,with,taking,what's,he,off,coat,is,it连词成句 He p________ his feet firmly on the ground. He lifted a big stone only on his own feet.