Select the most appropriate option to fill in the blank.
The Queen embarked _____ two dozen trips to the South Pacific to study primitive cultures.
Correct Answer : b ) AroundExplanation :
Preposition ‘on’ is used with ‘embark’ and the phrase means to start or begin with something.
Here, in the sentence the Queen starts with two dozen trips to the South Pacific.
Hence, the correct answer is option b.