单项选择题


A．quickly
B．usually
C．slowly
D．frequently
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单项选择题
A．somethingB．anythingC．thingsD．everything
A．something
B．anything
C．things
D．everything
单项选择题
A．alwaysB．oftenC．rarelyD．occasionally
A．always
B．often
C．rarely
D．occasionally
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