Use which or who to complete the sentences. 1) ... lives in Canada? — Mr Wilson does. 2) ... of them lives in Canada?

1) Who lives in Canada? — Mr. Wilson does. 2) Which of them lives in Canada? — Mr. Wilson does. 3) Who likes travelling? — Betty does. 4) Which of the girls likes travelling? — Betty does. 5) Who can speak English? — John can. 6) Which of you can speak English? — John can. 

1) My friend Tanya likes travelling very much. When summer comes her parents usually go to the south to the Black Sea and they take Tanya with them. They live in a tent. Tanya often speaks about this place as theirs. 2) Betty, whose bags are these? — The brown bag is mine. — Which of us has got a green bag? — I think Lucy has. Yes, certainly, the green bag is hers. 3) Pat, do you know the Greens’ telephone number? — There are two telephone numbers here. I don’t know which of them is theirs. But I’ve got their address if you want.