TheInternethasbrought_______bigchangesinthewaywework

Come as early as possible ;________,the better.

Why are you lying in bed —— A__________ walk __________ me completely tired．

When I came out, I found him____.[ ]

The series of TV programme focus on a group of engineers who their lives to China’s nuclear research and space program between the late 1960s and the early 1990s.