The research is so designed that once __________ nothing can be done to change it.
— Are you in favour of Tom’s suggestion________we work around the clock to meet the deadline? — No. But ______ Jimmy suggested to me sounds practical.
— Conductor, can I get to Market Street on this subway? — Of course. It’s leaving. ___________, please.
— There is growing _____ about house prices. — Don’t worry! Something has been done.
Everyone knows that________ is dangerous to play with fire, but________ is difficult is to prevent children from playing with fire.
One can ______ BBC _____ the air early with his Short-wave radio.