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單項選擇題

Before she began to study at Beijing University, she（）in a factory for five years.

A.had worked
B.worked
C.has worked
D.would work

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Those cakes look nice. Can I have（）?

A. one
B. it
C. – (不填)
D. one cake

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I'm in Greece at the moment. I like the weather（）.

A.here
B.there
C.that
D.this