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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1.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

2.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