Chinese citizens are to have their fingerprints ______ when applying for or changing their resident identity cards. 

Internet users are warned to be ________ about giving away personal information to strangers.

The native Canadians lived in __________ with nature, for they respected nature as a provider of life.

That car accident ____all his life. After that he was limited to a wheelchair.

 The patient was in bad need of operation but there was no guarantee(保证) that she would survive the anaesthetic (麻醉剂), which made the doctors on the horn of a __________.