下列单句中均有一处错误，指出并改正

A lot of well-know athteles will come to Beijing. ________

下列单句中均有一处错误，指出并改正

Children will be encourge to take more exercise. ________

下列单句中均有一处错误，指出并改正

They will make all the flags by the hand. ________

下列单句中均有一处错误，指出并改正

Yao Ming is 134kg in weight. ________

下列单句中均有一处错误，指出并改正

What will do in preparation for the 2008 Olympic Games? ________

下列单句中均有一处错误，指出并改正

Our team competes against the world cup for the first time. ________

下列单句中均有一处错误，指出并改正

The girl is going thinner and thin. ________

下列单句中均有一处错误，指出并改正

For century, there were no Olympic Games. ________

下列单句中均有一处错误，指出并改正

The old Olympic Games which the modern ones came began around the year 776 BC in Greece. ________

下列单句中均有一处错误，指出并改正

They will plant tens of thousand of trees. ________