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單項(xiàng)選擇題

She's part of a team of scientists who are（）upon cancer research.

A.worked
B.arranged
C.engaged
D.involved

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單項(xiàng)選擇題

The（）doesn't cover household items.

A.intelligence
B.insurance
C.instance
D.insult

單項(xiàng)選擇題

Please prepare the medicine for me according to this（）

A.prescription
B.description
C.inscription
D.subscription