1 . 我能和英语为母语的人顺畅流利地沟通。 (have trouble in doing) (汉译英)

2 . _________ _________ (多亏) the measures taken by the government, the living conditions of the workers have been improved.(根据汉语提示完成句子)

3 . We should __________ (集中于) our lessons and try not to be addicted to mobile phones. (根据汉语提示完成句子)