I am ______ about the new model, and I firmly believe that there will be a good market for it.

_______ Jim _______ Tom went to watch the movie.— What a pity! They missed such a wonderful movie.

ch salt did you put in the soup–I’m sorry to say, ________. I forget.

With the fresh water ____ short, we human beings are facing the danger of dying from thirst at any time. [ ]

The boy doesn’t know the answer _________ the teacher’squestion.