Ответ:
- It's a great party! Come in and have some fun.
- That looks like a great game. Can I join in?
- After the party you can help me to clean up.
- Where is my coffee?- It's run out, you have to buy it.
- Can I pop over to borrow your bike?
Краткое пояснение: Подбираем предлог, который подходит по смыслу к каждому предложению.
Ответ: