The notice says “No Photos!” so reporters must ask _____ before taking photos inside the museum.

Antarctica holds 90% of the world’s ice, and most of its fresh water (70%) is in a frozen          .

—Li Lin is very bright and studies hard as well.—It’s no ______ he always gets the first place in any examination.

 --- I’ll buy you a ten-speed bicycle as a birthday present.  --- Is that a _________?  I wish you would not disappoint me.

Their products enjoy 30 percent ________ of the market in this country because both the quality and their service are fine.