Question

When British Airways and Air France first put their brand new Concordes into service, their pilots …i…… (undergo) some months of special training, just as any pilot now wishing to fly the supersonic plane must undergo a rigorous conversion course: flying Concorde is clearly not same as …ii….(fly) a conventional airliner. There is, of course, nothing strange about this, for every time an airline decides to use a completely new aircraft, the pilots …iii.. (teach) to adapt to its special needs and characteristics and every time pilots fly new aircraft they demand new rates of pay.​

Answer 1

Answer:

i) underwent

ii) flying

iii) are taught