_______ never to come back, the boy left his home angrily.

_____ his electronic dictionary made himself sad.   

Not recognizing me at first, __________.

There are many tall old trees____ in and around our school.

I regretted _________ a lecture made by proffessor. Wu.

______ the same story many times, my little brother can now tell it himself.

— Can I help you?
— Yes, I’m looking for a pen.
— We have some new arrivals for you to ______

The house ______ Mr. Green's family for 50 years will be pulled down next week.

He hurried to the airport with his friends only ______ that all the film stars they liked best had been picked up by their company.

Elizabeth Blackwell, who in 1849 became the first woman ever     a medical degree in the USA, fought         women’s rights bravely.