1990.1991.2000.2001(年份）用英语怎么读?

1990.1991.2000.2001(年份）用英语怎么读?
1990.1991.2000.2001(年份）用英语怎么读?

1990.1991.2000.2001(年份）用英语怎么读?
nineteen ninety
nineteen ninety-one
two thousand
two thousand and one (twenty o one)

1990 nineteen ninety
.1991 nineteen ninety-one
.2000.two thousand
2001 two thousand and one