单项选择题

We'll visit Europe next year ______ we have enough money.

A．lest
B．until
C．unless
D．provided
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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
单项选择题
His remarks left me ______ about his real purpose.
A．wondered
B．wonder
C．to wonder
D．wondering
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