The boy has been missing for five days and his parents are worried about his ______．（ ）
A．attentionB．safetyC．actionD．growth
In some countries，people download （下载） music from the Internet without paying，because
it's against the law．（ ）
A．wouldn'tB．needn'tC．mustn'tD．couldn't
Many people like reading newspapers ______ they can learn what's happening in the world．（ ）
A．so thatB．ever since
C．as soon asD．even though
A woman stood ______ the window，watching the children playing games in the garden．（ ）
A．pastB．throughC．acrossD．by
As soon as I heard the news that I passed the driving test，I felt at once．（ ）
A．angryB．relaxedC．afraidD．nervous
While traveling in a strange place，you'd better the local people and follow their customs （习俗）．（ ）
A．watchB．changeC．controlD．teach