23. Cao Cao’s tomb is reported ________ in China, which attracts nationwide attention.
The plane got back to the airport and landed____at last.
Our hall is ____theirs.
—— How ________ can you finish the drawing? —— In a week.
We decided not to climb the mountains because it was raining ___.
If we work with a strong will, we can overcome any difficulty, ___great it is.