—There were not many people in the concert yesterday. —Pop music isn’t ________.
Modern science has given clear evidence ________ smoking can lead to many diseases.(2011·天津,13)
The notice came around two in the afternoon ________ the meeting would be postponed.(2012·江苏)
I made a promise to myself ________ this year,my first year in high school,would be different.(2012·浙江)
At first he hated the new job but decided to give himself a few months to see ________ it got any better.
It is still under discussion ________ the old bus station should be replaced with a modern hotel or not.