I can’t connect my computer to the Intemet. There must be ______ wrong with it.

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

I'm old enough to wash          clothes by myself．You can just wash          ．  

-- Have you finished your homework yet?-- No, not yet. I think it’ll take me __________ half an hour.

I’m thirsty, Steven. Please pass ____ a bottle of water.