单项选择题 He has courage all right, but in matters requiring judgment, he has often been found sadly ______.

单项选择题 The retired engineer plunked down ＄ 50000 in cash for a mid-size Mercedes as a present for his wife ——a purchase ______ with money made in the stock market the week before.

单项选择题 Just as there are occupations that require college or even higher degrees, ______ occupations for which technical training is necessary.