Maybe if I ________ science，and not literature then，I would be able to give you more help.(2011·北京)

I have some difficulty in finding his house. I wish I_____his address.

.---Do you think he will give up this job? ---No. Nothing___ his mind. 

This computer is of good quality. If it ___________ break down within the first year, we would repair it at our expense.

Without the air to hold some of the sun’s heat, the earth at night_____very cold, too cold for us to live.