－______milk do you need to buy?
－Two cartons.

Where       your pen pals     ?     

--- _______ is the weather _______ Shanghai?    
　　　 --- It is dry.

—Can you imagine ____________the Taiwan HEDP(塑化剂) event will affect our life?
—I’m not sure. Many people have begun to have water instead of drinks.

        do you have a face-to-face talk with your parent(s)?

You had better _____ because you have to drive back home.

—_____ will your English teacher come back?
—In two days.
A. When                  B. How long               C. How soon

—______ has your uncle _____ the village?
—Since 1999.He is in Shanghai now.
A. How long; been away from
B. When; been away from
C. How long; left

–_______ is it from Leshan to Chengdu?
–I’m not sure, but it takes about two hours to get there by bus.
A. How soon    B. How far     C. How fast

I was told to meet Mr. Green at the airport. But I don't know       he will arrive.