31.America was_________was first called “India” by Columbus.
— Is it convenient for you to have a drink together this evening? — Sorry. That’s _______ I will be meeting an important guest at the airport.
—Did Linda see the traffic accident? —No,no sooner _______ than it happened.
We don’t want to _______ him as chairman of the meeting. He is not fit for the position.
By the time the reporter arrived at the spot, the injured _______ to hospital.
As our coach often puts _______, everything is possible if we keep on.