1. His books are very popular in many countries. - Его книги очень популярны во многих странах. (окончание -s в обоих случаях является признаком множественного числа имен существительных book и country)
2. He often buys (показатель 3-го лица единственного числа глагола buy в Present Indefinite) me flowers (признак множественного числа имени существительного). - Он часто покупает мне цветы.
3. My father's house is very cosy. - Дом моего отца очень уютный. ('s - показатель притяжательного падежа имени существительного father)
1) Peter b) has just arrived. . Let’s go and speak to him.
2) We a) spoke to him the other day.
3) We b) have known Max since our childhood.
4) My baby sister a) was born a month ago.
5) .b) Have you done.. your homework yet?
6) Andrew a) lost. his car keys last Tuesday.
8) They .b) have already left.. their cottage.
9) Peter a) walked.. for a few minutes and then sat on the bench.
10) I b) have had... this computer for three years.
11) John b) has just left... for work, he’ll be back in the evening.
12) I b) have spoken to Jerry just now on the phone.