问题
选择题
Mr. Crossett was made __________ his experiment because of his poor health and old age.
A．give up
B．giving up
C．to give up
D．given up
答案
答案：C
考查动词make的用法。make sb do 让某人做某事，用不带to的不定式做宾补，但是它的被动形式必须加to，故选C，句意：Mr. Crossett被使得放弃他的实验因为他的身体不好和年纪大了。