Was it 80 years before Christopher Columbus crossed the Atlantic ______ Zheng He hadsailed to East Africa?
Every evening the students go to bed at 10:30______ and the lights are turned off.
--- I am sure you will be happy here once you get to know everyone. --- ______.
To be honest, I didn’t______ him at first sight. About an hour later, I remembered him.
______, Tom made a large sum of money last year by running a company.
Our English teacher ______ teaching, so he wants to change his work.