How do the shops make money if they sell at such low prices?-Manufacturers, it seems, are willing to bring down prices ________ big volume purchases.[ ]

I still haven’t decided whether to go or not.— But your time is running outPlease make up your mind ______ it is too late.[ ]

Sam ________ some knowledge of the computer just by watching others working on it.

Jimmy is ____ than his brother.

－What do you think of the movie－It is not_ __interesting ____I expected.