John and Jane are of the same age, but John is taller _______ a head.
22. Is this factory _____ you visited the other day?
21. In recent years _____ global warming is becoming ____concern for people all over the world.
Nowadays people have to pass various tests for professional __________ so that they can be qualified for a well-paid job.
There is an obvious __________ between the cultures of the West and East.
We have strong __________ for believing that the mine accident in Heilongjiang was due to the poor management.