单项选择题

The range of services ______ considerably, as do the types of account available.

A. varies
B. vary
C. varied
D. has varied
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单项选择题
If you are ______ from doing something, then there is often some force that prevents you.
A. restricted
B. refrained
C. restrained
D. restored
单项选择题
Some of the most vicious and ______ football offenders have connections with fascist organizations.
A. consistent
B. persistent
C. insistent
D. resistant
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