(2014·福建部分一级达标学校联考)Life is like a game________you play five balls in the air—work，family，health，friends and spirit.

Shuangliu is ______ most beautiful town and I’m sure to come for _______ second time.

Letterboxes are much more __________ in the UK than in the US, where most people have a mailbox instead.

Millie will go to the ________to exchange some money for US dollars.

My parents want me to get further study to be ____ an engineer _____ a scientist,______ I would like to be a famous surgeon doctor.