olicies, _______ to insure thatcompulsory education is truly free, ________ by the local government acrossChina since the start of school on September 1

It is important to know about the cultural differencesthat cause problems

Shang Hai is larger than _______ in Jiangsu .

Nowadays many old people don’t like the way ______ some children talk to their parents．

You have no idea howshe finished the relay race ______ her foot wounded so much