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It’s not easy for the expert to ______ pig flu.in humans from regular human seasonal influenz

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But how will you get there? — _______. I didn’t think of it. A. It’s easy    That’s right    that’s a good point    You are right  
Yes, I do   No, I don’t   It is easy   Yes, it’s easy  
No, I can’t    Yes, I can    Sorry, I can’t    Yes, I need  
Take things easy    Take your time    It isn't the end of the worl   D. That’s all right  
must  can’t  mustn’t  can  
compare  win   match   defeat  
difficult    relaxing    easy    interesting  
interesting    fun    difficult    easy  
That’s all right    All right    Take it easy    Don’t mention it  
easy  difficult  new  easier  
Yes ,I can   No, I can’t   Yes, you can   No, you can’t  
because   therefore   while   unless  
easy    boring    difficult    dangerous  
A.piece of cakE.    Not really.    That’s the point    Take it easy.  
difficult    interesting    easy    relaxing  
can    don’t    am    do  
It’s my pleasure    Take it easy    That’s all right    That’s a good idea  

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