It was wrong of you to from all your friends who helped you when you were in trouble．
| A．break away | B．break down | C．break into | D．break out |
________ volleyball is her main focus，she's also great at basketball.(2011·北京)
| A．Since | B．Once | C．Unless | D．While |
________ hard you try，it is difficult to lose weight without cutting down the amount you eat.(2012·湖南)
| A．However | B．Whatever | C．Whichever | D．Whenever |
—Since you like the car so much，why not buy it?
—________，I can't afford it.
| A．As I like it much | B．Much as I like it |
| C．I like it as much | D．As much I like it |
The girl had hardly rung the bell ________ the door was opened suddenly，and her friend rushed out to greet her.
| A．before | B．until | C．as | D．since |
Mary made coffee ________ her guests were finishing their meal.
| A．so that | B．although | C．while | D．as if |