Travelling can be fun and easy. A vacation trip to another country is especially __1_ when the travelling conditions are good. Good travelling conditions _2_ a comfortable way of transportation, knowledge of the country’s ___3__, familiarity __4_ the custom and habits of the people in the country, and pleasant travelling __5_. If we have a nice trip __6_ this, it will be an unforgettable experience.

__7__, most of us may also have trips that we would __8_ to forget. Many conditions can produce a bad __9_ experience. For example, if the four conditions __10_ above do not exist in our trip, we will probably have a bad experience, __11_ at least a difficult __12_. Students who travel to a __13_ country to study often have a difficult trip. They usually travel __14_, and not knowing the language of the new country __15_ their difficulties. They often arrive in the new country __16_ an international airport. From the airport, they need to __17_ their way to their school. Maybe they need to change airplanes, to ___18__ a bus, a train, or a taxi. They need to do all this in a country__19_ everything is unfamiliar. Maybe after they reach their schools, they forget the trip soon, but at that __20_, they feel terrible. 

1．A．happy                   B．enjoyable        C．amusing                 D．favorable

2．A．include                 B．conclude              C．hold                     D．contain

3．A．words                  B．speech                 C．language                  D．address

4．A．to                         B．for                      C．of                               D．with

5．A．companions          B．friends                 C．students                      D．fellow

6．A．with                     B．as                        C．like                             D．of

7．A．However             B．yet                      C．Therefore                    D．but

8．A．have                     B．think                    C．wish                          D．need

9．A．tripping                 B．traveling               C．passing                      D．visiting

10．A．told                    B．numbered             C．appeared                     D．listed

11．A．or                       B．and                      C．but                             D．so

12．A．matter                 B．one                      C．thing                          D．practice

13．A．different              B．another                C．foreign                        D．other

14．A．separated            B．lonely                  C．alone                          D．single

15．A．adds to               B．adds up                C．adds up to                  D．adds in

16．A．at                       B．to                        C．on                              D．from

17．A．watch                 B．see                      C．notice                         D．find

18．A．get                     B．go                       C．board                          D．take

19．A．where                 B．that                     C．when                                 D．which

20．A．date                    B．time                     C．while                          D．day