Блин народ, помогите с решением!
P.S. Изучал немецкий!

3
1. Helen want to practice basketball.
2. Court is open from half past three to seven o'clock.
3. They decide to meet at 4:30

4
1. It's 4:30 ok with you
2. I think so
3. What time does the court open
4. See you there