When will you return the book to me —I’ll give it to you___________I finish it.

I go to school with Wang Bin every morning. Wang Bin’s father takes_____ to school by car.

Mr. Green, can you tell us how to learn English well— Sure. But remember nothing can be learned______ hard work.

The girl was very naughty. She hid her mother’s wallet without anyone ________ where it was.

Three fourths of the homework _______ today