There are so many kinds of computers in the shop .Ican’t decide ________。 .A. which to buy . B.what to buy C. how to buy .
— Why not have a drink in the bar? — _________ .
How do you make a __________ milk shake?
Look! There are __________ on the desk.
I want to watch the ball game. Can you _______ the TV?
If you add three _______ nine, you get twelve.