1.For many patients, institutional care is the most ______ and beneficial form of care.

A) pertinent

B) appropriate

C) acute

D) persistent

2.Among all the changes resulting from the ______ entry of women into the work force, the transformation that has occurred in the women themselves is not the least important.

A) massive

B) quantitative

C) surplus

D) formidable

3.Mr. Smith became very ______ when it was suggested that he had made a mistake.

A) ingenious