1.Peter doesn't buy a morning newspaper every day
2. they don't go to the seaside every summer
3. it doesn't often rain o in summer
4.he doesn't usually come to his office at 9 o' clock
5. An academic group at the University doesn't consist of 20-25 students
6. the sun doesn't rice in the east
7. you don't prefer going to the forest
8. we don't spend much time at the letters
9. I don't regularly answer al the letters
Mustn't, must, must, mustn't, mustn't, must, mustn't, mustn't, mustn't, mustn't
There are three rooms and the kitchen in our new flat. My new dress is made of the silk. If you want to write something on the blackboard, you must have a piese of the chalk. Are there any pupils in the classroom? I have a new English book. The book is very interesting.
Честно говоря про остальные предложения я не уверена.
1961 – nineteen
sixty-one
1964 – nineteen
sixty- four
1973 –
nineteen seventy- three
1147 –
eleven forty- seven
1790 –seventeen
ninety
1820 –
eighteen twenty
1788 –seventeen
eighty- eight
<span>1999 –
nineteen ninety- nine</span>