―What were you doing when I called you yesterday afternoon?―I ________ my homework and I was starting to take a bath.

Upon their entering the tomb, Carter’s lucky pet bird, which he ____ in Cairo, was swallowed by a snake.

Tom，as well as his friends，______ going to visit the Great Wall this winter vacation.

Hopefully, another ten volunteers ______ to work in the new exhibition by the end of this week.

—Time          . It’s likely that we’ll miss the deadline. —Don’t worry. We have already got through 80% of the job.