You are a student of ________ history Can you tell me something about ________ history of the Great Wall?
It is always difficult being in a foreign country, _________ if you don’t speak the language.
He thought of a very good way to stop the car ________.
---I didn’t expect the job would be so hard. ---You _________ of that earlier.
You can hardly believe what great difficulty we had ______ on with the man.
---Could you please tell us about the activities in your school right now? --- All right. I _____ to that.