2. Fill in the gaps.

{"gap1"=>"to check out, expensive, to book, cheap, a ticket", "gap2"=>"Martin found a **cheap** room on a Booking.com.", "gap3"=>"We can afford to buy an **expensive** car to travel around our country.", "gap4"=>"George always buys plane **tickets** on Avisales.", "gap5"=>"We need to **check out** from the hotel at 10 a.m.", "gap6"=>"Merial **booked** a ticket to Iceland for next month."}