单项选择题

Without proper lessons, you could ______ a lot of bad habits when playing the piano.

A．keep up
B．pick up
C．draw up
D．catch up
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单项选择题
William Penn, the founder of Pennsylvania, ______ defended the right of every citizen to freedom of choice in religion.
A．peculiarly
B．indifferently
C．vigorously
D．inevitably
单项选择题
Everything we eat and drink contains some salt; we can meet the body's need for it from natural sources without turning ______ the salt bottle.
A．up
B．to
C．on
D．over
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