It is reported that the scientists in Europe are _____ all possible ways to control it.
Things that we’re facing should be considered ____,so that we’ll deal with them well.
—How did you find the lecture tonight? —It ____ me. I doubt if I will come for his lecture next time.
It’s two years since they ____ each other, and they are going to get married next month.
Such animals as dinosaurs died out because they couldn’t ____ to the sudden change of the climate.
—The work will take me another week. I’m really tired. —I think you _____ as well consult an experienced worker.