Oldfashioned phones matter when wireless networks ________in disasters.
| A．turn down | B．turn out |
| C．break down | D．break out |
_________ production up by 60%, the company has had another excellent year.
| A．As | B．For | C．With | D．Through |
They are talking so warmly and it looks _________ they had been old friends.
| A．even if | B．if | C．as though | D．As |
I am busy now. _________ my brother do it for you?
| A．Will | B．Shall | C．Must | D．May |
---I wonder if I could possibly use your car tonight?
---_____. I’m not using it anyhow.
| A．Sure, go ahead. | B．I don’t know |
| C．Yes, indeed. | D．I don’t care |
I volunteer for the people heart and soul all my life.
| A．to working | B．working |
| C．to work | D．to be working |