My uncle is John Smith. We can call（称呼）him _______.

—Why do you get up so early in the morning, Tracy？—I generally make it a          to be up by 7 to read English.

The _________ of Lei Feng encourages us to serve the people all the time. 

 This is _______book. They like it very much.

My grandmother is very old, and she can't see clearly without __________.