(2013·高考山东卷)Mark needs to learn Chinese ________ his company is opening a branch in Beijing.

A．unless B．until

C．although D．since

(2013·高考山东卷)________I have to give a speech，I get extremely nervous before I start.

A．Whatever B．Whenever

C．Whoever D．However

(2013·高考辽宁卷)One can always manage to do more things，no matter________full one’s schedule is in life.

A．how B．what

C．when D．where

(2013·高考江苏卷)In the global economy，a new drug for cancer，________ it is discovered，will create many economic possibilities around the world.

A．whatever B．whoever

C．wherever D．whichever

(2013·高考湖南卷)You must learn to consult your feelings and your reason________you reach any decision.

A．although B．before

C．because D．unless

(2013·高考安徽卷)It’s much easier to make friends ________ you have similar interests.

A．unless B．when

C．even though D．so that

(2013·高考四川卷)He is so busy.He cannot afford enough time with his son________he wants to.

A．even if B．as if

C．because D．before

(2013·高考江西卷)She says that she’ll have to close the shop________business improves.

A．if B．unless

C．after D．when

(2013·高考陕西卷)I have heard a lot of good things about you________I came back from abroad.

A．since B．until

C．before D．when

(2013·高考新课标全国卷Ⅱ)It may not be a great suggestion.But before________is put forward，We’ll make do with it.

A．a good one 　　　　　B．a better one

C．the best one D．a best one