根據(jù)下面短文內(nèi)容，在短文的空格處填上一個恰當(dāng)?shù)脑~，使短文完整、通順。
   Author Elizabeth Becker says we have a responsibility（責(zé)任） to respect the places we visit.Some basic rules still hold，such as not traveling at busy times and taking fewer trips but making them longer.The best and easiest （1）

way

way

to be a responsible traveler is to use common sense and go local.
   Respect traditions.Read about the culture and traditions of the places you visit.Understand the local culture and customs to avoid（2）

making

making

any mistakes.For example，dress properly when you visit temples （寺廟） and don't eat or talk（3）

loudly

loudly

in religious（宗教的） sites.If you visit a beach，leave seashells where you find them and try not to catch fish while swimming.
   Learn the Language.（4）

Nobody

Nobody

expects you to become fluent （流利），but try to learn some basic phrases such as "please" and "thank you".You'll be amazed at how much nicer and more helpful people will be if they know you're making an effort to get used to their culture.
   Spend local.Stay away from international hotels and restaurants run by foreigners.（5）

By

By

using local guides，buying local products and staying in family run hotels，you're not only giving back to the community，but you also get a better understanding of the country you stay in and the people who （6）

live

live

there.
   Bargain（ 講價 ） fairly.Always be（7）

polite

polite

when you try to get a lower price.Sometimes goods at local market can seem expensive.Nobody likes to be cheated and it may be fun to bargain，but remember that for the local people bargaining may not be a game.So try not be too rude （粗魯?shù)?） when bargaining.
   Don't litter.In some countries，getting rid of waste is a big problem，so don't throw rubbish on the ground.Doing so is harmful to the environment and unpleasant for others.Hold on to your rubbish （8）

until/before/unless/till

until/before/unless/till

you find a bin（垃圾箱）.