---Would you like _______ orange juice?  ---Yes, please.  

下列表示重量单位的是______.

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

I find ____ difficult to remember everything, though I’m still young.

How is your father? Please say hello to ______ for me.