Long spends all his money going abroad on his own.

• It takes all of Long's money to go abroad on his own.

They don't have to finish these tasks on time.

• It's not necessary for them to finish these tasks on time.

Living in the city is not happy.

• It's not happy living in the city.

It took us five days to practice this song.

• We spent five days practicing this song.

It's important for him to join our team.

• He should join our team.

It's not convenient for us to work abroad.

• Working abroad is not convenient for us.

It's not necessary for me to find a job now.

• I don't need to find a job now.

It takes Nam $2000 to drive this car.

• Nam spends $2000 to drive this car.

Lan has to complete her report before 5:10.

• It's necessary for Lan to complete her report before 5:10.

To have a balanced life is hard for her.

• It's hard for her to have a balanced life.