—Lily, _____ you _____ your ticket?—Not yet!
--- ______will the invitations be sent to our guests? --- In three days.
Many houses ______ by the earthquake and thousands of people were left homeless.
The boy looked ______ because he didn’t pass his maths exam.
Miss Brown, we ______ cleaning our classroom. Can we go home now?
The stories ______ were written by Mark Twain are often humorous.