I.     Choose the best answer A, B, C or D to complete the sentences.
6.    A study shows that teenagers use text messaging to communicate with their friends more than      .
  A.to send email             B.to write letters        C.emailing                     D.texting
      7.    The                                                               communication services, along with chat rooms, continue to be an important part of children's online interactions.
  A.online                        B.offline                     C.direct                         D.phone
8.    Email                                                           are often necessary to join social networking sites, online, and virtual worlds.
  A.address                      B.information             C.senders                      D.accounts
9.    Email, and chat rooms let children                  with friends and family members.
  A.talk                            B.say                          C.speak                         D.communicate
10.  Skype is a voice                                           allowing users to talk to others across the world.
  A.hardware                   B.software application                                     C.Internet access          D.web browser
11.  Luckily, there are many communication techniques to help overcome                       .
  A.foreign languages      B.culture shocks         C.language barriers       D.sound barriers
12.  A non-native speaker most likely can recognise the               - the non-verbal communication.
  A.second language        B.official language     C.sign language             D.body language
13.  The facial expressions for happiness, sadness, anger, surprise, fear, and disgust are the same across          
  A.languages                  B.cultures                   C.habits                         D.people
14.  Seven of 10 people prefer face-to-face           when having a date.
  A.code                          B.sign                         C.language                    D.contact
15.  We should not                                             passwords with anyone.
  A.share                          B.send                        C.bring                          D.lend