Sometimes the ______ between the reality and the dream is so great that it produces disappointment. 

 I would appreciate ______, to be frank, if my computer could be fixed as soon as possible.

 I'm interested in a single room. Do you have any ________？

You can’t imagine what difficulty we had            home in the snowstorm.

Although he was______in a single-parent family, he is a warm-hearted and out-going boy.