ible.Р5. not…but…:不是……而是……РShe wants to buy not a book, but a map.Рnot just … but…: 不仅……还……Рnot only …but also…不仅…而且РMany people like the girl not just because she is beautiful, but she is very kind.РShe can speak not only English but also Japanese.Р6. in person:亲自、当面,在句在作状语。РYou can ask my mother in person.РShe e in person.Р7. at the age of + 年龄的数词= When sb. be +年龄的数词 years oldРAt the age of seven, she went to school.Р= When she was seven years old, she went to school.Р8. 1) as conj. 当……时候、随着,引导时间状语从句。РAs he grew up, he became active.РHe saw her as she was getting off the bus.Р2) as conj. 因为,引导原因状语从句。РYou must hurry up as there is little time left.Р3) as prep. 作为 As a student, you must study hard.Р9. do research on: 做关于年龄的数词有关……的研究、从事……的研究РThe doctors are doing research on lung cancer. 肺癌