1. His mother has ________ (遭受) from illness for several years.
2. She _______(明白了) why she was ill was that she had eaten bad meat.
3. He gave me some ______（建议） on how to learn a foreign language.
4. （就我而言）you should thank all the people concerned.
5. Her son has gone abroad to study. She is quite _________ (牵挂) about him.
6. _________(据) the latest news report, the accident has caused 7 more deaths.
