1 . 写出划线部分的精准汉语意思
1. Our course guarantees (保证) a significant increase in your confidence in a foreign language. ________
2. It took her a long time to do her hair and make-up, and to get dressed. ________
3. I gather from your letter that you are not satisfied with your new job. ________
4. The narrow windows admit little light into the room. ________
5. There is a large international operation in this region. ________