unit one 一．完成句子 his mother has ________ (遭受) from illness for several years. she _______(明白了) why she was ill was that she had eaten bad meat. he gave me some ______（建议） on how to learn a foreign language. （就我而言）you should thank all the people concerned. her son has gone abroad to study. she is quite _________ (牵挂) about him.
