1．--- Some of the plastic bags can’t ______ after June1.
--- Yes, people will use environmental bags instead.
A. use B. be use C. be used D. are used
2．After Nanjing Youth Olympic Games Park ________, it will become a new tourist attraction.
A. completed B. has completed C. is completed D. was completed
3．--- Can you tell me whom the play ______ in the 1990s?
--- Sorry, I don’t know.
A. was written by B. was written C. is written D. 1s written by
