Thisword,whichis,shouldbereplacedwithanotheronewhichismorecommonlyusednowadays. A: absolute B: abnormal C: oblivious D: obsolete

Serious looking men spoke to one another as if they were oblivious of the crowds about them.

He had always been ______ the way Ruth looked, and had never once paid her a compliment. A: oblivious to B: guilty of C: wary of D: subject to

He had always been______the way Ruth looked, and had never once paid her a compliment. A: unaware of B: cautious about C: oblivious to D: subject to

The professor gave ______ instruction to the whole class so as to make every student understand how to conduct the experiment in the lab. A: explicit B: afflictive C: authoritative D: oblivious

Chinese of ten shake my hand and don't let go. They talk away contentedly, ______ of my discomfort and struggle to disengage my hand. A: oblivious B: patent C: obvious D: pernicious

Chinese often shake my hand and don't let go. They talk away contentedly, （）of my discomfort and struggle to disengage my hand． A: oblivious B: patent C: obvious D: pernicious