填空题 Listen to the statements and complete the following sentences with NO MORE THAN THREE WORDS.
填空题 If you want to book a party room please book it at least 1in advance.
填空题 When there are more than 6 children in a party, it is required to book a 1.
填空题 Except for the supervision of the parents, 1will also be provided to safeguard children before the party.