语法与词汇 When he became famous, he had people _____ him in the street and _____for his autograph.

【正确答案】 D

【答案解析】句意：他成名以后，走在街上经常会被人拦住要他的签名。have sb do sth.是指让某人做某事，强调一次性的动作。have sb doing sth.则强调动作的持续性，连续性或者动作的反复性。这里强调动作的反复性，他经常被人拦住要签名。