Ms Li _____as a biology teacher for fifteen years in our sch

Mr.Li _____as a physics teacher for ten years in our school, Mrs Li teaches us mach very well She is a teacher in our sch the teacher ____ our class is Ms li.答案不是be in charge of 而是 i our teacher said he____(be)a teacher for ten years __ woman in a red dress is a very popular teacher in our sch there——great changes in our town in the past fifteen years.A English our is Ms.not in teacher Brown our classroom(.) 英语翻译We refocused our energies after fifteen years in busines they lived in a small village ——fifteen years 横线处写for 还是unti Our math teacher ______ in our school for 20 years and he __ Mr li has t------- in our school for about twenty years All the students in our class are over fifteen except Li Lei