Rather than _____ a bus to her workplace, Susan prefers ______ a taxi.
--- There is ________dark stain(污渍) on my coat. Who left it?---- It’s me, Dad. I did it just for ______ fun.
The nurses are trying their best to reduce the patient's fear ____ he would die of the disease.
He _____ to us that those eggs which were _____ on the table had been _____ by snakes.
—Shall I inform him of the change of the schedule right now?—I am afraid you _______, in case he comes late for the meeting.
—Do you know about the accident which happened in the center of the city?—Yes. But it was some time we realized the truth.