Choose the correct item. 1 Do you want to take part in/at a painting competition with me? 2 Smartphones are very popular with/at teenagers. 3 I'm working for/on my science project now. 4 Andy can be very generous in/at times; he often buys presents for his friends and family. 5 My cousin Kate is at/in her early twenties.
Odpowiedź:
1. in
2 with
3. on
4. at
5. in