Translate the following sentences into English, using the word or phrase given in the brackets.
1．通常来说，锻炼有益健康。（good）
2．父母有时会发觉难以与他们十几岁的孩子交流。（it）
3．为缓解交通阻塞已采取了不少措施，然而这个问题并非马上解决。（relieve）
4．不管他是在国外还是在国内，他们总是作为中国人而感到骄傲。（proud）
5．尽管训练要求高、挑战大，但我们相信只要坚持练习，终将梦想成真。（as long as）
1．Generally speaking, doing （physical） exercise is good for / does good to health．
2．Parents sometimes find it difficult to communicate with their teenage children．
3．Measures have been taken to relieve the city of its traffic jam, but the problem is not likely to be solved in a short time．
4．No matter whether they are abroad or at home, they are always proud of being Chinese．
5．Although the training is demanding and challenging, we believe that as long as we keep practicing/ practising, our dream will eventually come true．