He has attended the Olympics Games three times, so he has the _________ of rich experience.
_____________half an hour earlier, you would have met the famous writer.
A great number of students ______ said they were forced to practise the piano.
At no time________the first to use the nuclear weapon.
__________ to sun, rain and wind for a long time, the stone split(裂开).
The arrangements for the English evening this weekend aren’t all_______;we needed another thirty chairs.