3. When I was Kiev last time, I met ___ a friend of mine there whom I didn't recognize until he came __ __ me.
4. There are some very capable young singers __ my friends. Let's invite them to our party. I'm sure they will sing __ great pleasure.
5. There is a rather high mountain __ these two rivers,
6. Will you turn __ the radio? I'll try to fall asleep.
3. a friend, close to
4. behind, with
5. between
6. off
Объяснение: