airport - n. a place where aircraft land and take off and where there are buildings for passengers to wait in and for aircraft to be sheltered
babysit - v. to take care of a child while the child's parents are away
could - modal verb. used in speech to make a polite request or suggestion
downtown - adv. to, toward, or in the main or central part of a city or town
emergency - n. an unexpected and usually dangerous situation that calls for immediate action
empty - adj. containing nothing
flight - n. a journey on an airplane
presentation - n. an activity in which someone shows, describes, or explains something to a group of people
wallet - n.a small folding case that holds paper money or credit cards
without - prep. not having or including (something)
wonder- v. to have interest in knowing or learning something
worried - adj. feeling or showing fear and concern because you think that something bad has happened or could happen
would - modal verb. used to ask a polite question or to make a polite request, offer, or invitation