Government must work hard to tackle the problem of inflation.
There are more communicative uses of the word government:
Here you are talking about the abstract concept of government, which means the phenomenon whereby an elected minority govern the majority:
Here you are talking about all governments, in all countries, everywhere:
Here you are usually talking about your government, although you may be talking about a different but specific government that you have already mentioned elsewhere in your text:
Note to Indonesians..
Next time you want to translate pemerintah, consider which of these three meanings you want to communicate. If you choose the right one, your meaning will be clear and you will receive a high score for vocabulary (Lexical resource – LR) and a high score for coherence and cohesion (CC), because it will be easier to understand what you are saying or writing.
Browse the IELTS public band descriptors.