He thought about going to Greece or Spain, but finally decided _____ Canada.[ ]
What do you expect ______ from your hard work?—Nothing, I just want to try my best.
Please call me _____ 4572354. [ ]
Mr. Wu___this math problem____him many times, but he still doesn’t understand it.
Where were you at 7:00 last night? — I to my mom at home.