Điền từ thích hợp vào chỗ trống:
Can you swim?

John: Are you free ________(1), Sarah?  

Sarah: Yes, I am.  

John: Great! Let's go to the ________(2) together.  

Sarah: Ok. But there is one thing. I ________ (3) swim.  

John: Really? That's too ________(4). But don't ________(5). I ________(6) teach you.  

Sarah: Can you swim?  

John: Yes, I can. I can swim very well.  

Sarah: Great! I'm really ________(7) to this Sunday. 

• Can you swim?
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