An awful accident, however, _____occur the other day.
It was reported that an agreement ________ between the two companies and that they would carry out a project together.
—I’d like to play football with you, but I have an important thing to attend to. —If you don’t go, _________.
—Were you in the library when Jack arrived there?—Yes, but I _________ soon afterwards.
It was ________ impossible for her to catch the 9 o’clock train. I know she got up at 9:15.
Master Fred chose a sunny sloping bank with a thick growth of bushes, and ________ there a nice little hen-house.