In my opinion, life in the twenty-first century is much easier than ______ .
— Hello. Could I speak to Tom, please?— This is Tom speaking.— Oh, it’s great. But I didn’t_________ your voice just now.
I always make a _______ before going shopping so that I won’t forget what to buy.
In _______ 1940s the computer was made to work as _______ useful machine.
Mr. Green’s tight _______ made him put off his trip to China.
---I’m sorry, were you waiting to be served? --- No, no, _______.