When we think of trees at Christmas, there is ________ that immediately springs to mind－the evergreen tree beautifully decorated.

Is ______ true that the famous scientist will give us a lecture on how to predict earthquakes next week?

 I don’t doubt that the price of the red apples is higher than___________ of the yellow__________ in this area.

 —Daddy, which of these smart kids do you like best in last night’s TV show?— ________ . They are all proud and selfish. 

I thought there would be many students in the hall, but when I got in, I found ______.