— This book on idioms is interesting. I’d like        , where did you buy it, Simon?—In the Amazon Bookstore,

— Could you give me some            on how to learn English           ?— Sure. Practice makes perfect.

----Is Emma      sister?----Yes,      is. 

---Carl, why not go and help your sister water the flowers there?  ---Why__________? I’m busy myself. Jack is lying on the grass doing nothing.

Excuse me , _______is  the way to the nearest supermarket?