You can imagine how different the table manners here are from ______.

----Are you going to buy a camera? -----Yes. But there are so many kinds that I can’t decide __________ to buy.

 Bill is not _______brother. He is __________brother.

Which of  the two cameras are you going to buy?—I’ll buy      of them，so I can give one to my friend．

—Sally, could you go and help your father wash the car?—Why ____________? I’m busy now. Amy is lying on the grass doing nothing.