The article was posted by Jimhello on Tuesday, ................?

5. The article was posted by Jimhello on Tuesday, ................?
A. didn't it           B. wasn't it              C. wasn't he                   D. did it
7. Tom won the prize, ...................?
A. did he            B. didn't he              C. does he                     D. doesn't he
9. We are looking forward ............. you again soon
A. to seen          B. to seeing             C. saw                           D. have seen
11. I bought .................... book which is about a Vietnamese hero
A. an                  B. o                          C. the                            D. a