【問題 4 】
"次の英文は海外の豪華観光列車の予約に関する案内（抜粋）である。下線部��due とほぼ同じ意味で使用されている本文中の単語は次のうちどれか。
Booking and Paying For Your Arrangements:
Subject to availability, a booking will be made with us when
⑴ you tell us that you would like to accept our written or verbal quotation, and
⑵ you pay us the applicable deposit being 15％ of the cost of your arrangements (or if booking within 56 days of departure full payment), and
⑶ we issue a confirmation invoice.
A binding contract will ��come into existence as soon as we have issued a confirmation invoice confirming the details of your booking and the due payment dates for any applicable balance to be paid which will be sent to you or your travel agent.
If there are 12 or more passengers in your party, payments must be made as follows : 15％ of the cost of your arrangements is payable on booking, a further 35％ of such cost is ��due 90 days before departure (if your booking is made between 90 and 56 days from departure, you will be required to pay 50％ of the cost of your arrangements on booking) and the balance is due 56 days before departure (if your booking is made less than 56 days before departure, you will be required to pay the entire cost of your arrangements at the time of your booking)."
