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II/
1. They regard the Temple of Literature as the first university in Vietnam. 
2. A picture of the One Pillar Pagoda was bought by my father last year.
 3. The Hung Kings’ Temple is visited by thousands of people every day. 
4. Who built the Imperial Academy? 
5. Khue Van Pavilion symbol can be seen on street signs in Hanoi. 
6. Khue Van Pavilion is used as a symbol of Hanoi. 
7. What is the Temple of Literature surrounded? 
8. In 1994, UNESCO recognised Ha Long Bay as a World Heritage Site.

1. The first university in VN was regarded the temple of literature                                                         ( S+was/were+V3_ed )

2. The One Pillar Pagoda was his father bought a picture last year

                             công thức như trên

3.The Hung Kings Temple were thousands of people visited every day

                              công thức như trên

4. Has the Imperial Academy been built?

                           Have/has + S + been + V3_ed ?                          

5. Khue Van Pavilion symbol can be seen on street signs in Hanoi. 

                                  Can/could/will

                            S+  would/be going to/ + be+ V3/ed

                                  must/have to/...

6. Khue Van Pavilion was Vietnamese peple used as a symbol of Hanoi. 

                       công thức như câu 1

7. Have is the Temple of Literature surrounded? 

                       công thức như câu 4
8.  UNESCO recognised Ha Long Bay as a World Heritage Site since 1994

        thấy hay cho mk xin ctlhn :>>