Doubting that the traveler carried drugs, the Customs officer stopped him and _______ his suitcase, but found nothing at all.

salt

(2014·江苏省三校4月阶段性考试)To their disappointment，Dr Wang gave a speech about the economy without even a passing________to the problem of unemployment.

Cartoons should _________ social morality and family values and avoid violent scenes, including those that children could easily imitate.

After many attempts, she ________ managed to get promotion.