It’s a good way to control how many minutes your child talking on his cell and texting.

What can we learn from Lei Feng? — We should not only think about , we should think about others as well.

To save the drowning child, the boy plunged into the icy water without hesitation, ____ his own safety.

I have some problems _____ my Chinese learning. Can you help me with it?—Sure.[ ]

What are people supposed to do when they meet ________the first time? —They are supposed to bow. [ ]