Cell phones are used by a lot of people
We have been taught by Miss Diep since the last semester
Our English lessons are taught by Mr.Vinh
That experiment is being done by a student
We are given a free period this Saturday to prepare the festival by our teachers
Was this dictionary bought two weeks ago?
Our teeth should be cleaned twice a day
I am not impressed by Alan's knowledge about science and technology
All of us are driven to school by her father everyday
A new school is going to be built here next year
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