Решение #
a)
1. eleven million and seven hundred thousand (11 700 000)
2. six hundred thousand (600 000)
3. twelve million and three hundred thousand (12 300 000)
4. nine million and seven hundred thousand (19 700 000)
5. I live in Saint Petersburg. There are five million and two hundred thousand people. (5 200 000)
b)
1. London is nineteen and seventy four. (Лондону 1974 года в 2017 году)
2. London will be one thousand nine hundred and seventy two. (Лондону будет 1972 года).
3. In twenty ninety (or two thousand and ninety). (В 2090).
4. In twenty one twenty. (В 2120).
5. In nineteen eighty eight. (В 1988).
6. Yes. In nineteen eighty nine. (Да. В 1989).
7. In thirty one forty seven. (3147).