an is a/an _______ secretary in our office, forhe is able to do tasks successfully, without wasting time or energy

Who’s that man _______ a white shirt

Mum, my friends are waiting for me outside. May I goout to play with them— Yes, you ,but be careful, please.

Robots will do the simple jobs over and over again, they won’t be bored.

It is strange that the office was completely-It’s work time now.[ ]