I. choose participle i or participle ii. 1. we listened to the girls (singing, sung) russian songs. 2. we listened to the russian folk songs (singing, sung) by the girls. 3. the girl (washing, washed) the floor is my sister. 4. the floor (washing, washed) by helen looked very clean. 5. who is that boy (doing, done) his homework at the table? 6. the house (surrounding, surrounded) by tall trees is very beautiful. 7. everything (writing, written) here is quite right. 8. read the (translating, translated) sentences once more. 9. i picked up the pencil (lying, lain) on the floor. 10. here is the letter (receiving, received) by me yesterday. 11. the (losing, lost) book was found at last

вот перевод:

1. Я ... (иду) в театр, если я ... (иду) сегодня вечером. 2. Я ... (злюсь), если ты ... (возвращаешься) очень поздно. 3. Мы ... (увидим) друг друга в следующем месяце, если мы ... (не увидим) друг друга в следующем месяце. 4. Если они ... (приходят), я ... (очень) удивляюсь. 5. Мы ... (опоздаем), если мы ... (подождем) здесь. 6. Мы ... (поехали) в Италию, если мы ... (поедем) в отпуск этой осенью. 7. У нас ... (нет / есть) пикник, если погода ... (нет / улучшается). 8. Питер и Джек ... (идут) на вечеринку, если они 9. Л. (устают) завтра, если я ... (не пойду), чтобы прислушаться к этому вечеру (быть) приглашенным.

i have a freand. his name is Kostya.he is 16 Kostya is neither tall nor short. he is thin . his  eyes are blue.his hair in short and fair/

my friend is in the 5th form. he studies well and likes to study at school.he often helps  me to do my homework.i have got  another frind.her name is tanya.she is nice girl.she is short and thin.her eyes are brown . her hair is dairk and long.

my freands Kostya and Tanya have a big collection of stamps.

i like my freands vere much. i think they are true freands