---How long will you stay ______ Beijing?

---For two years．

---Which is ______, the blue one, the red one or the green one?

---The red one．

---Which room do you ______?

---Room 518．

---How do you like the film?

---______．

---______?

---I'd like to see the new computer．

---________ those boys?

---Jim and Mike.

--- Did you pass the physics test?

--- No. Many of the problems were so difficult ________ few of us could do them.

--- What do you think we should do with the bag?

--- Stop the traffic, move the bag away, and then let the traffic _______ again.

---Who's that woman?

---Which ________?