He has been away ____.
It will _______ hundreds of years to make robots think like a human.
He’d like tea _______ milk in it.
I am tired after the long work. I want to have a _______.
— In Germany, can I buy red roses for my dinner hostess as a present? — _____, because it means you are in love with her.
— What a traffic jam! I’m going to be late again. —Yes. The traffic now is _______than it used to be.