________,John returned to school from his hometown.
The government tried its best to _____ the people’s needs, but the people were still not_______. In fact, what the government did was not________.
After the class was over,Li Ping apologized ________ the teacher ________ his coming late.
If the weather is fine, we’ll go. If ______, ______.
-Why does the river smell terrible?-Because large quantities of water______.
Whenitcomestowhethercampusloveshouldbe______, there is no agreement among people.