During the examination we are required to stay in our seats, keep our eyes on our work, to anyone

Is this your family photo___ __________.

,____ country in Central America, isthe only place in the world ____ someone can see the sun rise on the PacificOcean and set on the Atlantic.

As we know, Zhao Benshan is ________ to make all the TV viewers _______.

Why do you appreciate her help so greatly一Because her donation makes it possible for me the dog Lucky.