—He isn’t particular about his food.—Yes,he eats ______ anything.

John ____________ his students is playing basketball on the playground.

The latest model of camera can           brings the object into focus, with which even a child can shoot very well．

As is often pointed out, knowledge is a two-edged weapon which can be used ________ for good or evil．

 I won’t buy the house, which was too expensive and too big. ______, I’d grown fond of our little rented house.