Cross out the where it's not necessary. One sentence is correct. 1. Has Emilia visited the Netherlands and the Germany? 2. In January 2013 only around thirty-nine percent of people in the United States owned the passports.
3. The population of the Estonia is about 1.3 million.
4. The citizens of Germany chose a female Prime Minister, and naturally the Prime Minister has promised to do more for the women of her country.
5. The biggest city in the China is 4he Shanghai. Around 16 million people live there.
6. The pollution is generally a problem in big cities, but the pollution in this city is worse than in most others.
Cross out "the" before "Germany" because we do not use articles before countries.
Corrected sentence: Has Emilia visited the Netherlands and Germany?
2. In January 2013 only around thirty-nine percent of people in the United States owned the passports.
There is no article needed before "people" because it is a general statement.
Corrected sentence: In January 2013 only around thirty-nine percent of people in the United States owned passports.
3. The population of the Estonia is about 1.3 million.
Cross out "the" before "Estonia" because we do not use articles before countries.
Corrected sentence: The population of Estonia is about 1.3 million.
4. The citizens of Germany chose a female Prime Minister, and naturally the Prime Minister has promised to do more for the women of her country.
The sentence is grammatically correct. No changes needed.
5. The biggest city in the China is 4he Shanghai. Around 16 million people live there.
Cross out "the" before "China" because we do not use articles before countries.
Corrected sentence: The biggest city in China is Shanghai. Around 16 million people live there.
6. The pollution is generally a problem in big cities, but the pollution in this city is worse than in most others.
The sentence is grammatically correct. No changes needed.