The crime rate has continued to rise in American cities despite efforts on the part of both government and private citizens to curb ().

单项选择题She is so careless with her spelling that she often () letters.

A. carries out
B. gives out
C. leaves out
D. set out

单项选择题Only by diligence and honesty () in life.

A. one succeed
B. one will be succeed
C. can one be succeeded
D. can one succeed