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單項選擇題

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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