题目内容
It is reported that drug use has become ______ among teenagers.
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He claims he lost a source of ______ when he was injured.
It seems that upward shift in the rate of economic growth in the mid-1990s________a sudden, substantial and rapid decline in the prices of computers
The_______ from tourism is the biggest single contribution to GDP in the Maldives.
Children are encouraged to participate in team work, aiming to ______ a sense of responsibility.
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