单项选择题

If he ______ on tourists for his business, he would have to close his shop.

A．depends
B．will depend
C．depended
D．has depended
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单项选择题
We have a high regard for Prof. Joseph because he always ______ his principles.
A．lives on
B．lives up to
C．lives through
D．lives with
单项选择题
A．classicalB．sacredC．popularD．light
A．classical
B．sacred
C．popular
D．light
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