1. Marconi invented radio about a hundred years ago.
Radio .............................................................................................................................
2. It's a pity my father can't speak English.
My father wishes ................................................................................................................
3. "Do these clothes belong to you?" said Liz to me.
Liz asked ............................................................................................................................
4. Did you usually wear jeans when you were young?
Did you use ............................................................................................................................
5. We have never been to Viet's native village before.
This is the first ............................................................................................................................
6. If someone doesn't put the coal in, the fire will go out.
Unless ............................................................................................................................