He ---- his wallet on the ground 为什么用dropped 而不用fell

He ____some money in his wallet and went out He's s_ to see his lost wallet Then he took his wallet out of his pocket.的中文意思 英语翻译翻译：He lost his wallet yesterday when he was in acrowded bus . Sam______（think ）he took his wallet,but he didn't her brother was very excited when he found his wallet.改为感叹句 Had done是什么时态He had his wallet stolen on the bus这个是什么解释 英语翻译The man was very,very excited when he got his wallet back. He ---- his wallet on the ground 为什么用dropped 而不用fell 用 making/wallet/he/his/While/phone call/a/was/stole/someone/,/.造一个英文句子 ( )＿＿on his way home.A.His wallet was stolen of him B.He was robbed of his walletC.His wallet was robbed of himD.He was stolen from his money [-A5]On his way back home ,he found his wallet _______.A.to missB.missingC.missD.missed翻译并分析 To his ____ ,he found the wallet he lost a few days ago.A surprises B surprise C surprising He has an _________ to kill the thief who stole his wallet when he saw him iimportanceB、impossibilityC、impulseD、import 填介词或副词 He is a careful person;he always keeps his wallet in a pocket ______. he had lost his wallet while taking his savings to the post office为什么当中省略was takinghe had lost his wallet while was taking his savings to the post office不是定语从句中才会省略be动词的吗? Having waited in the queue for half an hour,the old man suddently realized he had left his wallet改成同义句After he ______________,the old man suddently realized he had left his wallet He ( ) his wallet on the ground.He ( ) his wallet on the ground.A. felll B. dropped C. left D. forgot答案为B,请问这四个词怎么区分呢