The expressions they use might whom they are speaking to or how well they know each other.
| A．instead of | B．lead in to |
| C．because of | D．depend on |
---Susan, why are you still here? They are all ready to start.
---I’m sorry, but I _________ when to start.
| A．wasn’t told | B．don’t tell |
| C．didn’t tell | D．haven’t told |
Don’t talk_________ you __________.
| A．before, are asked | B．unless, are asked to |
| C．if ,ask | D．until, ask to talk |
he isn’t good at English, he still likes to listen to English songs .
| A．Because | B．Though |
| C．Since | D．As |
The cost of renting a house in central Xiangshui is more thanin any other area of the city.
| A．that | B．this | C．it | D．one |
If you buy ________ iphone 6 in our store, you can get _____umbrella for free.
| A．a; an | B．an; a |
| C．an; an | D．the; a |