My e-mail______to you last night. Have you received it____? A.sent;yet B.is sent;already C.was sent;yet
Don’t come into the lab ________ you are asked to.
My uncle has been taught in this school _______ he was twenty years old.
Don’t worry, sir. I’m sure I can run _____ to catch up with them.
The sports meeting _________ until next month.
--Could you tell me ?