Вставьте нужный артикль: 1) it is … very small room. 2) is it … pen or … pencil? 3) our friends are … engineers. they are at … office. 4) don’t open …bag, please. 5) this is … cup. it is … green cup. … red cup is on the table.

1) a very small room
2)is it a pan or a pencil?
3)...friends are engeneers ( ничего не вставляем). ... at the office.
4) don't open the bag,please.
5) this is a cup. it is the green cup. a red cup is on the table.