请帮我解决以下几道题,快一点.[适当形式]
1.“The same songs” is a big musical_____{activity}
2.He asked me how many car factories ______{build} in our country.
3.Mother asked her daughter if the rubbish _____{empty}.
4.Did the library assistant say that the book must be returned in time and_____ _____{must not lend} to others?
5.My sister _____{look} after by the nurse since she was taken to the hospital.
It is three weeks since the space ship _____{go}into the orbit.
6.The spaceship _____{send}into the orbit already.
7.Great changes ______{take place} in our hometown.
8.Many new buildings _____{put up}there.
9.A new bridge _____{build}there now.

1. activity
2. had been built
3. had been empty
4. not lent
5. has been
5'. went
6. has been sent
7. has taken place(经典中考题)
8. has been put up
9. has been built
一定要掌握好现在和过去完成时哦！