ree tourism refers to traveling without a mobile phone or similar devices, particularly to places_____ block or cannot access Internet and cellular signals.

We must__________ a topic before we start to write.[ ]

n have conversation with John over_____ phone, but keep in touch with Tom by writing _____ letters

Where is mother? —She is in the kitchenShe ___ the dinner for the party the whole afternoon

98 We have friends ____ the world