Question

Our plane was held ____ because of bad weather.

Answer 1

Answer:

Explanation:

The word 'extensive', which means thorough, best fits the context of the first blank whereas 'enigmatic' which means mysterious befits the context of the second blank. Thus D is the answer - it befits the context and conveys the required meaning.

Even after a century of extensive investigation, the relation of the solar cycle to terrestrial weather remains enigmatic.

None of the other options befit the context.

Answer 2

Answer:

Our plane was held up because of bad weather.