填出下面句子的同义句。
The boy swam very fast.(同义句)_______ _______ the boy swam!
The school trip is very exciting. (同义句)_____ ______ the school trip is!
If you don't hurry up, you 'll miss the train. (同义句)
______ _______ , _______ you 'll miss the train.
It is a very useful dictionary. (同义句)
_______ _______ _______ dictionary it is!
_______ _______ _______ dictionary is!
There was a big factory in the city in the past. (同义句)
_______ _______ _______ _______ a big factory in the city.