— Have you finished your experiment report, Jane?— Oh, my God. I’ve _____ forgotten all about that.

 John had planned to make a compromise， but      he changed his mind at the last minute.

She not only entered the competitionshe __________ won it.

It is the prevention of disease_____ its successful treatment that has led to the rapid increase of the world’s population.

You must attend the meeting ____ at ten o’clock, as it is scheduled—not a minute early or late．