Questões de Concurso Militar EFOMM 2020 para Oficial da Marinha Mercante - Primeiro Dia

Based on the passage below, mark the correct option.

By the end of our first two weeks in Holland, we had fallen head over heels for the country. It's a historic, visual, artistic and cultural feast that is compact and easy to get around thanks to its efficient trains, buses and bike routes.
(Adapted from: Sail Magazine, August 2018.)

Considering the previous passage, the underlined phrase 'head over heels' is closest in meaning to:

Choose the option that correctly completes the sentences below, respectively:

I - The journey was quite quick _______ the road was clear.
II - The meeting has been canceled _______ the strike.
III - I drove at a steady 50 mph ________ save fuel.
IV- There's no reason _______ we shouldn't be friends.
V- _______ all her qualifications, she's useless at the job.

In "A merchant navy or merchant marine is the fleet of merchant vessels [... ]. ", the word fleet means: