单项选择题

A．On
B．After
C．Before
D．In
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单项选择题
What does Christina do at her supermarket job
A．She works at the meat counter.
B．She puts groceries out on the shelves.
C．She carries groceries out of the store for customers.
D．She checks the quality of milk products.
单项选择题
A．onceB．noC．everD．any
A．once
B．no
C．ever
D．any
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