She is an easy-going girl. _______ you meet her , she will smile to you.[ ]

She pretended to be calm but _______she was more than nervous at the time she was being questioned.

May I have a dog at home, Mum—Yes, you can. But you must know how to _________ it.

We regret ________ you that your application has been rejected. [ ]

No matter what happens，be sure you always do you think is your duty.