_______ worries the public a lot the way the students are getting more and more stressed out.
It is obvious that talking about something behind others is what everyone will not ______.
The children are having a good time, ______ with sand, others with toys.
The reason ______ his coming to China is ______ he wants to study in China.
On the opposite wall _____ one map _____ dozens of pictures.
---____ will we have to go?---Just one mile.Keep walking.