Questão 2555877

Read the passage and answer question 46.

1 There are many things that a pilot must do before the

flight. They must check out weather conditions on the flight

path and around the landing area. They also have to check

flight plans, fill in forms and do a lot of paperwork. Before

5 takeoff pilots brief their crew and do a complete check of the

airplane to see if everything works the way it should.

Pilots must calculate how much fuel they have to take with

them.

(Adapted from http://www.english.online.at/travel/airlane-pilot)

“Must” in bold type (lines 1 and 2) can be correctly replaced by: