______, higher and higher,until it was a small dot in the sky.

I’m sorry to say you didn’t pass the exam– ______, you won’t receive the diploma.

______ the rising rent prices in Wuhan can’t compare with those in Beijing and Guangzhou, they still worry current college students

___ their final medical check,the astronauts boarded their spacecraft

None of them have regular and _____ sources of income and are forced to live below poverty line. [ ]