I’m sorry to have ______ you with too many questions on such an occasion.

When we are getting excited, angry or scared, our bodies also ______many physical changes.

I called the airline to ______ my flight reservation a week before I left for Canada.

Had she __________ her promise, she would have made it at Beijing University.

Unlike a stage actor, a film actor must be able to perform small scenes out of ________ and often days apart in time.