— Can I lie about seeing a text message because I was too busy or lazy to respond to it ?
—Receiving a text message does not necessarily mean you have to respond． Why waste a perfectly good lie the truth will serve?
| A．unless | B．until | C．when | D．while |
It was not until 1920_________ regular radio broadcast began.
| A．while | B．which |
| C．that | D．Since |
It was in the factory _________ produced TV sets _________ I got to know her.
| A．which; which | B．that; which |
| C．that ；that | D．where ； that |
Factory workers have to work very hard, and _________.
| A．farmers do so | B．farmers work so |
| C．so have farmers | D．so do farmers |
Only when David did it a second time _________.
| A．he realized his mistake |
| B．he was realizing his mistake |
| C．did he realize his mistake |
| D．he did realize his mistake |
So instructive _________ that the student wanted to see it again.
A. was the film B. it was the film
C, the film was D. the film it was