________ 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
(2011·重庆)It is still under discussion ________ the old bus station should be replaced with a modern hotel or not.
A.whether B.when C.which D.where