How to Use "ignorance" with Example Sentences

1. The tories will not be able to plead ignorance .
2. However it does not require universities to promote ignorance .
3. But they complain too much : public ignorance isn 't peculiar to science .
4. The result was an inferiority complex , in which humiliation was compounded by western ignorance .
5. Cigar smoke and ignorance are in the air .