Some of us fail to learn that pain is the body’s way of informing the mind ______ we are doing something wrong, not necessarily ______ something is wrong.
On the opposite wall _____ one map _____ dozens of pictures.
The reason ______ his coming to China is ______ he wants to study in China.
.The children are having a good time, ______ with sand, others with toys.
It is obvious that talking about something behind others is what everyone will not ______.
.The media today can draw public attention to _______help is actually needed.