IV
26 It took people more time to communicate with each other in the past.
CT: S + spend + time/money + V-ing.
It takes/took (sb) + time + to do something.
27 Letters used to written to keep in touch with her when he lived far from her.
28 When did that phone use by our teacher?
29 Why don't we go on a picnic this weekend?
CT: How about + V-ing.......?
Why don't we/you+ V…?
30 He suggested watching a comedy.
CT: Let's + V
S + suggest + V-ing
V
31A. I made friends with a foreigner in a chat room.
32C. Cultural differences can be seen in conversations between people from different countries.
33B. Learning English helps us get over the language barriers.
34A. Have you ever attended a video conference?
35D. Thanks to social networks, we can connect to each other easily
36A. My parents promised to buy me a cellphone when I’m 18
37C. My grandfather prefers landlines to smartphones.
38A. Non-verbal languages are sometimes called body language.
39D. If I love someone, I will send her a snail mail.
40B. People believe that twins often have telepathy.