汗译英：（1）：修建公路是社会发展的需要；（2）：文化遗产在必要时应让步于社会发展.（3）：古城墙...

1.Building road is the need of social development.
2.Cultural Heritage should give way to social development if necessary.
3.The ancient city wall is one of the urban civilization symbols with very high historical value.
4.Cultural Heritage is favorable to the communication between our country and the various countries.
1.Most haven’t been cleaned.
2.The back of the house
3.It came as no surprise to us.
4.be put forward
5.being built