Choose the correct sentence which is built from the words and phrases given:
leave for Tet holiday / our class / hold a farewell party / 5pm next Friday
We want to leave for Tet holiday so our class will hold a farewell party at 5pm next Friday.
Before leaving for Tet holiday, our class will hold a farewell party at 5pm next Friday.
In order to leave for Tet holiday, our class holds a farewell party at 5pm next Friday.
Whenever leaving for Tet holiday, our class will hold a farewell party at 5pm next Friday.
Before leaving for Tet holiday, our class will hold a farewell party at 5pm next Friday.