It was thanks to luck _____ judgment _____ the driver succeeded in avoiding an accident.
The foreigner tried his best, but he still couldn't make his point _____.
Mr. Wang has two _____ sons; one has got married and the other has gone abroad.
The workers are pouring _____ steel into the model.
The television is a _____ machine.
Most of the people _____ to the party were famous scientists.