(2012·天津)It doesn't matter ________ you turn right or left at the crossing—both roads lead to the park.

A．whether  B．how  C．if  D．when

________ was most important to her，she told me，was her family.

A．It  B．This  C．What  D．As

It suddenly occurred to him ________ he had left his keys in the office.(2012·江西)

A．whether  B．where  C．which  D．that

Have you noticed the problem ________ he is now in low spirits？________ come?

A．where；What  B．that；How

C．in which；For  D．what；As

(2011·辽宁，32)When the news came ________ the war broke out，he decided，to serve in the army.

A．since  B．which  C．that  D．because

________ was known to us all that Johnson had broken his promise ________ he would give each of us a small gift.

A．As；which  B．What；that

C．It；that  D．It；which

Modern science has given clear evidence ________ smoking can lead to many diseases.(2011·天津，13)

A．what  B．which  C．that  D．where

The notice came around two in the afternoon ________ the meeting would be postponed.(2012·江苏)

A．when  B．that  C．whether  D．how

I made a promise to myself ________ this year，my first year in high school，would be different.(2012·浙江)

A．whether  B．what  C．that  D．how

(2009·北京)At first he hated the new job but decided to give himself a few months to see ________ it got any better.

A．when  B．how  C．why  D．if