A or an used in place of the, or the in place of a or an.
Angela Merkel was a first woman in the history of Germany to be elected Chancellor.In a phrase with an ordinal number (such as first) the definite article the must be used.
It’s a wrong choice. In a phrase with the words right and wrong the definite article the must be used.
Incorrect omission or inclusion of articles
Sometimes an article is used when none is needed, or one is omitted when one is required.
EU management personnel consists of nationals of all member states who can rise to top of the EU infrastructure.
The definite article the should not be omitted from the phrase the top of.
The most non-native English speakers in Finland are beyond the A1 level.
Definite articles are used only before quantity expressions that contain of phrases. (Most non-native English speakers or Most of the non-native English speakers are both correct in this sentence.)