Ⅰ.根据下面句子的意思及所给的汉语提示，写出空缺处单词的正确形式。（15分）
1. How beautifully she sings! I’ve never heard a better 嗓音). (
2. She is _______（结婚的），so we can call her Mrs. Smith.
3. We are in the same class. We are ________(同班同学).
4. Will you _________(邀请) some friends for dinner?
5. Don’t be _________(紧张的). It’s very easy.
6. She likes singing. She wants to be a ________(歌手).
