If they ______, our plan will fall flat. A: are co-operating B: had not co-operated C: won’t co-operate D: didn’t co-operate

You can use the radio to transmit / operate a message. A: transmit B: operate

The boy would have died, ______ on him without delay. A: if the doctor didn’t operate B: if the doctor wouldn’t operate C: would the doctor not operate D: had the doctor not operated

Doyouknowhowtotheheatingsystem?(operated/operate)

The of this machine is simple. (operate)

The _______(operate) of the machine is easy.

When multiple people operate a machine tool, ( ) A: two people can operate the machine at the same time B: only one person can operate at the same time C: only one person can operate at the same time, and other students can leave the machine to rest D: All of the above are correct

Organizations that operate und...vity and innovation.

“Everybody’s to their own opinion. But I don’t operate here on opinion. I operate on facts and on data and on numbers and on projections.”

It is hard to learn the ______ (operate) of this complicated machine.