When she went to school,she met her good friend 同义句—————— （三格）to school,she met her good friend.

When she went to school,she met her good friend 同义句—————— （三格）to school,she met her good friend.
When she went to school,she met her good friend 同义句
—————— （三格）to school,she met her good friend.

When she went to school,she met her good friend 同义句—————— （三格）to school,she met her good friend.
On her（the） way to school,she met her good friend.

One the way

On the way 在……途中