do you have your English classes ? In our language club .
| A．Where | B．Whose | C．What | D．How |
根据图片，做出选择。(10分) 
A．It is in the south of China. B．It's in Xi'an.
The Great Wall is the ________ wall in the world.
A．longest B．longer C．long
They will ________ play football.
A．too B．either C．also
We're ________ to visit Beijing.
A．go B．going C．to go
________the holidays，Mary is going to Harbin.
A．By B．To C．During