who is the postcard from 的意思

The postcard is come from the USA ,这句话的错误在哪里? 用the,postcard,where,is,from连词成句 Who will receive this postcard?这句话的意思 Where is the post office I want to send a postcard.的意思 who is the letter from who is the letter from? Who is the football from? this （postcard) is from japan 正确吗 Here is a postcard the students their teacher.A.of,to B.from Who is in the car的意思 the postcard is ( )mike ( )john .A是from和to B是from和for C是to和t the one who is from Canada?