The answer to your question is slow
After seeing Shirley temple
Its exposition is in Athens, Greece.
C. Making sure that you do not have too many simple sentences
Answer:
Julie's sister walked her dog
Several well-known celebrities attended the party
The whole family ate lunch
____ signed a new contract
The attendant thoroughly washed our cars
For the 4th sentence the subject is unclear so converting it to active voice would require someone actually signing the contract. sorry I couldn't be of more help