23.— What’s that terrible noise.David? — Oh,I forgot to tell you.The new machines in the nearby plant _______.
Much labor would have been saved if the electronic computers_____________ before.
There was a(n)________silence in the live interview,when no one knew what to say to the audience.
Doctors are doing research to find out what happens physically when people______ smoking.
Once you get _______ something, it is very hard to ________.
The mayor was charged with _______ his power for personal benefits.