1.The wheel was invented thousands of years ago.
2.Is the statue of Chu Van An being to built?
3.Is the Temple of Literature surrounded by four busy streets.
4.Pencils will not be provided at the test, so please bring your own.
5.We haven't been taught by Mr.Binh since the last semester.
6.The experiment is being done by a student teacher.
7.Was this dictionary bought two weeks ago.
8.I am not impress by Alan's knowledge about science and technology.
9.A new school is going to be built here next year.
10. This computer has been used for two years.