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單項選擇題

The scientists made（）plans for landing a man on the moon.

A.acute
B.elaborate
C.virtual
D.delicate

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單項選擇題

They are giving away free（）of this new kind of cooking oil.

A.illustrations
B.demonstrations
C.examples
D.samples

單項選擇題

I'm very sorry to have（） you with so many questions on such an occasion.

A.interfered
B.offended
C.impressed
D.bothered

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