Mary returned the books to the library on time. (改为被动语态)
The books            returned to the library on time           Mary.
Ted is big. Mark is bigger than Ted. Fred is bigger than Mark. (合并句子)
Fred is the                          all the three.
The city is very famous. Many tourists like working there. (合并句子)
The city              many tourists like working _____ very famous.
“Jack, can you help with the dinner?” Jack’s mother asked. (改成间接引语)
Jack was asked __________ he __________ help with the dinner.
They had an English party last Sunday. (改为否定句)
They __________ __________ an English party last Sunday.