David and Sam are ( ) A my father and mother's friends B my father's and mother's friends选哪一个,为什么?

Tom,Jim,David and Sam are good friends.They have different jobs:a policeman,a worker,a farmer a他们是干什么的?Tom is a.jim is a...david is a.sam is a. David and Sam are ( ) A my father and mother's friends B my father's and mother's friends选哪一个,为什么? tom,jim,david and sam are good friends.(猜猜他们都是干什么的)是一个小短文！（老难了）(⊙_⊙?) 英语填空(超简单的）(Sam=S,David=D,Ann=A) S:Hello,David.D:____,Sam.S:How are you?D:Fine,thank you.____?S:I am fine,____.D:Look at the girl over there with some books.Who____she?S:Let's go and say hello to(向……问好)her.D:____,I'm David. jim and sam com from ( ) they are( ) are and .how.sam.bobby连成句子 what+are+Sam+and+Summer+doing+是什么意思 Jill and Sam are coming very Are David and Liu Tao good friends? David and Tony are brother,and these are()parents 紧急 Bobby and Sam and Sam are in the p|aygroBobby and Sam and Sam are in the p|ayground(对in the p|ayground提问) 改错：David and Helen are sister and brother are,and,how,Sam,Bobby连词成句 请问Sam,out,are,and,Tina怎样连词成句. Amy and Sam are back from London.是啥意思? Jim and Sam come from _______.They are _________.(English) jim and sam are coming in a week对in a week提问 ----- -----are jim and sam coming? both david and l are football fans的否定句