Just now,when I walked past your house, I saw your son .
Jack ____ to help our Chinese teacher carry books yesterday morning.
There is a blackboard ______ our classroom. [ ]
Under______ reform program announced on Nov 15, the government has decided to give____ green light to couples wanting to have two children if one of the two parents is an only child.
The opening ceremony of the 29th Olympic Games started ______ August 8thin the National Stadium in Beijing. [ ]