( 2 ) The service  here is always   ________ . It has never  been compulsory .1 pointA) inadequateB ) irregularC)voluntaryD)chronicE ) unpopular

To determine the most suitable word to fill in the blank, let's analyze the context and the provided options:

1. Breakdown of the Question

The sentence implies that the service is not a requirement, indicating a sense of flexibility or optional usage.

2. Relevant Concepts

• Inadequate: means not sufficient or not enough.
• Irregular: implies not consistent or steady.
• Voluntary: refers to something that is done by choice, not mandatory.
• Chronic: typically pertains to a long-lasting condition, not directly relevant to the idea of compulsion.
• Unpopular: suggests something that is not well-liked or favored.

3. Analysis and Detail

Considering the context of the sentence, the service has "never been compulsory." This suggests that the ideal word should indicate that participation is based on choice.

4. Verify and Summarize

Upon assessing the options, "voluntary" aligns perfectly with the idea of something not being mandatory, making it the ideal choice.

Final Answer

C) voluntary