句型转换（每小题2分，共10分）
Qomolangma is the highest mountain in the world.（改为同义句）
Qomolangma is                                              in the world.
Ann has already finished his homework.（改为否定句）
Ann                    his homework            .
Mr white has been in China since 2,000.（改为过去时）
Mr white         to China        2,000.
Mr Scott was successful in studying Chinese history.（改为同义句）
Mr Scott                                  Chinese history.
The minute she saw me , she turned pale.（改为同义句）
she saw me, she turned pale.