根据汉语意思及首字母提示完成单词并注意其正确形式。
1. Holiday is also called v______ in American English.
2. He always feels ______(不舒服的) when his classmates talk with him.
3. The ______(农民) often go to the fields to work.
4. Thank you for ______(邀请) me to the trip.
5. My mother often ______(鼓励) me to work hard at my lessons.