I _____ my son ____ a doctor,but he wasn’t good enough at science.
My argument is _____ on fact.
It is amazing that the little boy can swim _____ the river _____ 100 metres wide.
There are _____ to show that a new, different city is coming out of its dark past.
As is reported, it is 100 years _____ Qinghua University was founded.
There is clear evidence _____ the most difficult feeling of all to interpret is bodily pain.