— You should be careful when ________.— Yes, I will.I’d like to know when ________ to have a rest.
–How is it going these days?--________.
I will never forget the song ________ she sang last night.
–Can you tell me ________ from here?--About five miles.
________ quiet, please. My baby is sleeping. A. Be B. Being C. Is C. Are
The telephone ________ in 1876.