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單項(xiàng)選擇題

Many teenagers feel no difficulty （） computer.

A．to learn
B．learn
C．in learning
D．learned

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單項(xiàng)選擇題

Some areas, （） their severe weather conditions, are sparsely populated.

A．due to
B．but for
C．in spite of
D．with regard to

單項(xiàng)選擇題

He might have been killed （） the arrival of the police.

A．except for
B．with
C．for
D．but for

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