_______ boys in my class can ski but _______ of them can do as well as Jim does.

My watch is three minutes slow. What about ______？

 Lily and Grace are my best friends. ________ of them are very smart.

— Which would you like to visit, Shanghai Expo Garden or Beijing Bird Nest? —           . I prefer to enjoy the 2010 FIFA World Cup at home.

---- There is ________ with my watch, so I don’t know the time.---- Let me have a look.