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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1.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

2.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

4.單項選擇題() difficulties they may come across, they"ll help one another to overcome them.

A.Whatever
B.Whenever
C.However
D.Wherever

5.單項選擇題The doctor said that mental () is the major cause of his sleeping problem.

A.tension
B.sadness
C.a(chǎn)nger
D.relaxation