а) сын моего друга; сыновья моего друга; сын моих друзей; сыновья моих друзей;
б) рисовать карандашом; сказать Диме; дать деньги друзьям; написать письмо родителям; писать о погоде; выражение лица; отрезать ножом; открыть глаза.
11. Употребите нужную форму
1. When (is, are) the latest news on? 2. Where (are, is) my glasses? I have just lost (it, them). 3. (How much, how many) furniture shops are there in your town? 4. His clothes (are, is) usually cheap, but he is actually well-off. 5. Your advice (was, were) very useful. I usually use your (advice, advices) when I'm in (touble, troubles). 6. I can't find my scissors. Where (is, are) (they, it)? 7. The book contains (much, many) information. 8. Look at Ann's hair. (It's, They are) red. 9. They say that money (is, are) the soul of business. 10. (Fish, fishes), travel long distances and different fish (live, lives) at different levels of water. 11. Two (tea, teas) and a coffee, please. 12. Too (much, many) knowledge (make, makes) the head bold. 13. Two (is, are) company, but three (is, are) a crowd. 14. I am surprised at the variety of (cheese, cheeses) that have appeared in our shops. 15. Most people prefer (a job, work) which is near home. 16. (People, Peoples) eat more (fruit, fruits) now that they used to. 17. The (fruit, fruits) of nature belong to all mankind. 18. (A man, men) makes (a house, home), (a woman, women) makes (home, a house).