#put the verbs in brackets into the past perfect or the past perfect continuous. 1 they were exhausted because they(play) chess all day 2 a: why were arnold's clothes so dirty? (change) b: because he (change) the tyres on his car. 3 by the time we joined them they(already order) their meal.

1)they have been playing had been changing had already orderes

Travel broadens our horizon . travel is just great , you learn new places , get to know the cultures of other narodov.puteshestviya also gives you the opportunity to make friends with new people.          for many people , traveling is a hobby, they travel all my life , it's their lifestyle. nowadays, people are trying to find time to travel , because many of them think that it is really useful . there is no doubt that it is very useful for your brain as your memory gets better .          i completely agree with this opinion. when you travel, you should contact the bolt with people who do not speak your language, so you need to learn some basic words from different languages ​​. when you see a lot of amazing landscapes, buildings, etc. , you will know what beauty is , and you begin to appreciate it.          new way of life during your trip allows you to think of your daily problems through and maybe you will find a solution for them , and you decide to change something in your life. so , everyone should try to go , it's one of the best options for entertainment.