One's life has value ________ one brings value to the life of others.(2012·江苏，30)

A．so that  B．no matter how

C．as long as  D．except that

I have a tight budget for the trip，so I'm not going to fly ________ the airlines lower ticket prices.(2012·上海，32)

A．once  B．if  C．after  D．unless

________，Carolina couldn't get the door open.

A．Try as she might  B．As she might try

C．She might try as  D．Might as she try

________ the jewels were locked in a strong box，the thieves stole them without any difficulty.

A．If  B．Unless  C．Although  D．Because

________ he comes or not，the result will be the same.

A．Even if  B．Whether  C．No matter  D．Although

________ 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

(2010·福建)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

(2010·新课标全国)Mary made coffee ________ her guests were finishing their meal.

A．so that  B．although  C．while  D．as if