ThisistheteacherwhotaughtusEnglishthreeyearsago.
Isthisthegirlwemetyesterdayinthestreet?
SheisthegirlwhosefatherisfamousscientistinourCountry.
Whereisthebookwithbeautifulcover?
IwanttobuyonebookwhichishelpfulformeinleaningEnglish(应该是英语学习吧?如果是英语学校,则为inenglishschool)