Tom,Jim,David and Sam are good friends.They have different jobs:a policeman,a worker,a farmer a

问题描述:

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.

Tom is a policeman(警察) ,jim is a worker (工人),david is a farmer(农场主) ,maybe sam is a techer (教师)……