That is the cook ______ came from London.

Nancy, you are going to buy a flat here, aren’t you ? — Yes, but I can’t ____ an expensive one .

Elephants walk on_______. [ ]

.Bay, Amazon and Wall Mart are popular websites ______ people can sell goods to each other.

I want to know if your sister will go to the movie. — If your sister　　 , so 　　　.