单项选择题

A．Wearing down the soil.
B．Building up land.
C．Enriching the soil.
D．Loosening more earth.
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单项选择题
A．A chemistry assignment.B．A study that their chemistry professor did.C．A class that the woman is taking.D．A job possibility.
A．A chemistry assignment.
B．A study that their chemistry professor did.
C．A class that the woman is taking.
D．A job possibility.
单项选择题
A．A pharmacist.B．A salesman.C．A librarian.D．A doctor.
A．A pharmacist.
B．A salesman.
C．A librarian.
D．A doctor.
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