It was 80 years before Christopher Columbus crossed the Atlantic______Zheng sailed to East Africa
He was about to tell me the secret ________ someone patted him on the shoulder.
As far as I am concerned, education is about learning and the more you learn, _______.
John shut everybody out of the kitchen _________ he could prepare his grand surprise for the party.
—Did you remember to give Marry the money you owed her? —Yes, I gave it to her _______ I saw her.
The man will have to wait all day _______ the doctor works faster.