2
post office, address, postman,letterbox,letter,envelope, stamp
3
to write a man
to read an address
to post a letter
to send a postcard
4
My mum writes stamps - неверное предложение
1The postman has got many letters in bag
2 to take a pen, to take paper, to write a letter, to put a letter into the envelope, to put a stamp on the envelope, to write an address on the envelope, to go to the post office, to post a letter