Young _________he is， an able salesman.
A. that
B. who
C. as
D. which
查看答案
A what he does out of class
B what he learns in books
C his place in society
D his lessons in school
The writer argues that a system of social insurance should ________.
A. provide benefits for the sick, old and unemployed
B. encourage people to take on more social obligations
C. guarantee everyone the right to be employed
D. provide everyone with the right to a minimum subsistence for a certain period
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