单选题 If a person is frequently frightened or angry, he will ______ himself ______ and begin to suffer from illness.

A. wear...out
B. set...out
C. set...aside
D. warm...up

【正确答案】 A

【答案解析】[解析] 本题考查短语动词的用法。Wear sb. out的意思是：to make sb. extremely tired. 如It's no good wearing yourself out by working so late. Set sth. aside的意思是：to place sth. to one side. Set out的意思是：to leave a place and begin a journey, especially a long journey. Warm up的意思是to become warmer.