单词拼写：根据句子意思及所给的中文提示完成单词，并将完整的单词填写在答题卡对应的横线上。每空只能填一词。
Three and _________(六) is nine.
The girl’s _________（名字）is Linda.
The students will have a lot of  _________（空闲的）time.
Our city needs better            （公共的）services.
His aunt is a           （秘书）in a big company.