so please keep quiet about it

Question

书面表达
假设你是李华．你班同学决定为小明举办生日聚会．请你写信邀请外教Susan参加，要点包括：1．时间：周五晚8点至9点
2．地点：学生俱乐部
3．内容：生日歌、蛋糕、游戏等
4．要求：备小礼物
注意：1．词数100左右，开头语已为你写好；
2．可以适当增加细节，以使行文连贯；
3．答案必须写在答题卡相应的位置上．

Answer 1

Hi，Susan，
We're throwing a surprise party for Xiaoming's birthday．And we would like to invite you to come to the party，too．We want to give him a surprise，so please keep quiet about it．The party will be from 8 o'clock to 9 o'clock on Friday in the students'club，which is going to last about an hour（高分句型一）．We will have a birthday song，cake for Xiaoming．And there will be games then．（ 生日聚会细节安排）
The only request is that you should have to prepare a gift for Xiaoming（高分句型二）．We're looking forward to your coming．（温馨提示）
Yours Sincerely，
Li Hua