Cable TV began in 1948 in the USA, but it took 50 years________ 66 percent of American households had it.
A. before B. after C unless D. since
He was so touchy --- a word from her would him .
| A．set; out | B．set; off | C．set; up | D．set; back |
---I’ll thank you my affairs alone.
---I will. It’s none of my business.
| A．leaving | B．to leave | C．for leaving | D．not to leave |
He 20 dollars for his old bike the other day.
| A．paid | B．took | C．spent | D．offered |
It is much easier to talk about social change than to .
| A．bring it on | B．bring it about | C．bring it up | D．bring it out |
This is a story completely by him, so don’t rust him.
| A．discovered | B．invented | C．found | D．known |