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單項(xiàng)選擇題

We're having some（）problems with our new computer.

A.teeth
B.tooth
C.teethe
D.teething

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單項(xiàng)選擇題

My（）surprise was soon replaced by delight.

A.first
B.starting
C.beginning
D.initial

單項(xiàng)選擇題

What did you type in? The computer screen showed（）message.

A.error
B.an error
C.wrong
D.mistaken